“…of the same …cup 
— Say what?
Now, that’s easy to understand if you please really would listen closely to both tracks; then you would hear how the student (Brownie) has ideally realized his teacher’s (Fats) main goal:
“I’d like to just play a perfect melody of my own, all the chord progressions right, the melody original and fresh — my own.”
(from Dan Miller’s Jazz Quotations).
#1 – Yardbird Suite, as sung by Earl Coleman, accompanied by Fats Navarro on the cup-muted trumpet, Don Lanphere on tenorsax, Linton Garner, piano; Al Casey, guitar; Jim Johnson, bass; and Max Roach on drums; NYC, November 29, 1948.
Now hear this, how Brownie perfected Fats’ sound with the cup, at #2 – September Song, with Sarah Vaughan, Paul “The Vize President” Quinichette on tenor, Herbie Mann (who penned the lovely chart) on flute, Jimmy Jones, piano; Joe Benjamin, bass; and Roy Haynes on drums; Fine Sound Studios, NYC, December 16, 1954.
Timeless music in both cases; I could tirelessly listen to both albums which can be purchased HERE & HERE, and of course at various other places on the internet; as usual, I’d recommend to go for the vinyl.
