He helped define Bay Area jazz. Now he’s turning 80 with special S.F. concert 5%

By Aidin Vaziri1%

7/23/2026, 1:00:00 PM

BS Summary: This article contains 11 faulty reasoning types, including Representativeness Heuristic, Optimism Bias, and Appeal to Authority, with Biased Writer Voice as the most egregious example at 20.5% saturation with 83 hits. Analysis detected 278 faulty-reasoning hits from 405 analyzed words, generating a BS Score of 20.6% and a BS Rank of 5% (19,533 of 20,516 articles). This article is better (less manipulative) than 95.20% of the article peer group.

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Bay Area jazz pianist Mike Greensill plans to celebrate his 80th birthday at the keyboard, surrounded by singers and musicians who have shared different chapters of his long career. 
Greensill is scheduled to perform Sept. 6  one day after his birthday  as part of Old First Concerts presented at Old First Presbyterian Church in San Francisco. 
The program will also commemorate his 40th year appearing in the concert series. 
The pianist, arranger and accompanist is expected to be joined by vocalists Roberta Donnay, Kellie Fuller and Gale Terminello, saxophonist Noel Jewkes, French horn player Bill Klingelhoffer, bassist Ruth Davies and guitarist Brad Buethe. 
Greensill has been a fixture in Bay Area jazz and cabaret since settling in San Francisco in 1977. 
He became best known as the musical director, arranger and accompanist for his wife, the late singer Wesla Whitfield. 
Together, they became leading interpreters of the Great American Songbook, performing at venues ranging from San Francisco’s intimate piano rooms to New York’s Carnegie Hall and the White House. 
They recorded 20 albums together before Whitfield died in 2018 at age 70. 
Over the years, Greensill appeared at several prominent but now-shuttered San Francisco nightspots, among them the Plush Room, Stars, Moose’s and the Washington Square Bar & Grill, commonly known as the Washbag. 
He also performed at the Rrazz Room and Feinstein’s at the Nikko. 
But he's always kept his calendar marked for the annual Labor Day weekend engagement at Old First, with changing groups of collaborators. 
For the birthday concert, the guest lineup reflects those musical partnerships. 
Jewkes represents one of the longest-running collaborations. 
He and Greensill recorded the 1991 album “American Lullaby,” while Klingelhoffer performed in a French horn quartet featured in Greensill’s arrangements for Whitfield’s 2006 album “Livin’ on Love.” 
Greensill’s collaborations with the featured singers are more recent. 
Donnay worked with him on “Blossom-ing!,” her 2022 tribute to singer and pianist Blossom Dearie. 
Fuller, a Wine Country jazz, blues and R&B vocalist, has frequently performed with Greensill at venues including Blue Note Napa. 
The two appeared together in a 2024 concert inspired by the Dream Bowl, the former Napa Valley ballroom that hosted big-band stars during the swing era. 
Terminello recorded her 2025 album, “I’m Old Fashioned,” with the Mike Greensill Trio and appeared with him at Old First that same year. 
Article reasoning-pattern comparisonThis article: 0.0%Aidin Vaziri: 0.5%San Francisco Chronicle: 2.9%Confirmation Bias0.0%This article: 0.0%Aidin Vaziri: 0.2%San Francisco Chronicle: 0.8%Anchoring Bias0.0%This article: 4.4%Aidin Vaziri: 0.9%San Francisco Chronicle: 3.0%Availability Heuristic4.4%This article: 7.2%Aidin Vaziri: 0.3%San Francisco Chronicle: 1.2%Representativeness Heuristic7.2%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.6%Hindsight Bias0.0%This article: 0.0%Aidin Vaziri: 0.4%San Francisco Chronicle: 1.5%Overconfidence Bias0.0%This article: 2.0%Aidin Vaziri: 1.1%San Francisco Chronicle: 5.6%Framing Effect2.0%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 0.5%Loss Aversion0.0%This article: 5.4%Aidin Vaziri: 0.3%San Francisco Chronicle: 1.3%Status Quo Bias5.4%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.1%Sunk Cost Effect0.0%This article: 7.2%Aidin Vaziri: 0.7%San Francisco Chronicle: 3.0%Optimism Bias7.2%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 1.1%Pessimism Bias0.0%This article: 0.0%Aidin Vaziri: 3.6%San Francisco Chronicle: 6.8%Negativity Bias0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 1.0%Self-Serving Bias0.0%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 0.5%Fundamental Attribution Error0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.1%Actor-Observer Bias0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.6%In-Group Bias0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.2%Out-Group Homogeneity Bias0.0%This article: 1.5%Aidin Vaziri: 0.8%San Francisco Chronicle: 2.0%Halo Effect1.5%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%Horn Effect0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%Dunning-Kruger Effect0.0%This article: 2.2%Aidin Vaziri: 0.2%San Francisco Chronicle: 1.1%Recency Bias2.2%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 0.5%Primacy Effect0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.2%Blind-Spot Bias0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.8%Ad Hominem0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.2%Straw Man0.0%This article: 7.2%Aidin Vaziri: 1.8%San Francisco Chronicle: 4.3%Appeal to Authority7.2%This article: 0.0%Aidin Vaziri: 0.3%San Francisco Chronicle: 1.1%False Dilemma0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.9%Slippery Slope0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.1%Circular Reasoning0.0%This article: 4.4%Aidin Vaziri: 0.2%San Francisco Chronicle: 4.0%Hasty Generalization4.4%This article: 0.0%Aidin Vaziri: 0.2%San Francisco Chronicle: 0.3%Red Herring0.0%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 0.4%Bandwagon0.0%This article: 0.0%Aidin Vaziri: 2.5%San Francisco Chronicle: 4.4%Appeal to Emotion0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.6%Begging the Question0.0%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 2.7%Post Hoc (False Cause)0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.1%Tu Quoque0.0%This article: 0.0%Aidin Vaziri: 0.2%San Francisco Chronicle: 0.6%Burden of Proof0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.2%Appeal to Nature0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.4%Composition/Division0.0%This article: 0.0%Aidin Vaziri: 1.3%San Francisco Chronicle: 3.1%Anecdotal0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%No True Scotsman0.0%This article: 6.7%Aidin Vaziri: 0.5%San Francisco Chronicle: 2.0%Ambiguity (Equivocation)6.7%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%Gambler’s Fallacy0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.1%Middle Ground0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%Personal Incredulity0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.1%Special Pleading0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%Genetic Fallacy0.0%This article: 0.0%Aidin Vaziri: 0.6%San Francisco Chronicle: 1.0%Unattributed Quote0.0%This article: 0.0%Aidin Vaziri: 0.6%San Francisco Chronicle: 1.2%Quote-first Misdirection0.0%This article: 20.5%Aidin Vaziri: 1.6%San Francisco Chronicle: 4.3%Biased Writer Voice20.5%This article: 0.0%Aidin Vaziri: 0.2%San Francisco Chronicle: 0.9%Indoctrination0.0%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 0.4%Politically Left Leaning Bias0.0%This article: 0.0%Aidin Vaziri: 0.0%San Francisco Chronicle: 0.0%Politically Right Leaning Bias0.0%This article: 0.0%Aidin Vaziri: 0.1%San Francisco Chronicle: 1.8%Attempt to Sell a Product or S…0.0%

405 words analyzed.

Speakers

2speakers8.6%attributed speech370writer words
Voice mapSelect a segment to jump to its words
Writer's voice • 6 words • 100.0% coverageWriter's voice • 8 words • 0.0% coverageWriter's voice • 2 words • 0.0% coverageWriter's voice • 29 words • 100.0% coverageWriter's voice • 29 words • 0.0% coverageWriter's voice • 13 words • 0.0% coverageWriter's voice • 34 words • 0.0% coverageWriter's voice • 18 words • 0.0% coverageWriter's voice • 19 words • 0.0% coverageWriter's voice • 29 words • 0.0% coverageWriter's voice • 13 words • 0.0% coverageWriter's voice • 32 words • 0.0% coverageWriter's voice • 12 words • 0.0% coverageWriter's voice • 22 words • 100.0% coverageWriter's voice • 11 words • 0.0% coverageWriter's voice • 7 words • 0.0% coverageWriter's voice • 28 words • 0.0% coverageWriter's voice • 9 words • 0.0% coverageRoberta Donnay • 15 words • 0.0% coverageFuller • 20 words • 0.0% coverageWriter's voice • 26 words • 100.0% coverageWriter's voice • 23 words • 0.0% coverage
Selected voice

Fuller

0%flagged-word coverage
20 attributed words57% of attributed speech45% writer coverage
0%12.5%25.0%Biased Writer Voice-22.4 ptsWriter: 22.4%Fuller: 0.0%0.0%

Attribution is sentence-level. Pattern percentages are calculated only from words assigned to that voice.

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Analysis

Hover over highlighted words in the article to view the associated bias or fallacy analysis.