Our hearts go out to longtime drummer of The Roots and all-around great dude Questlove, whose father Lee Andrews passed away yesterday. He was 79. Lee Andrews was the frontman for the Philadelphia-based R&B group Lee Andrews & the Hearts, a classic doo-wop group that charted on the Billboard charts all the way back in the 1950s.

Questlove, real name Ahmir-Khalib Thompson, appears nightly on “The Tonight Show Starring Jimmy Fallon” and shared a heartfelt message on Instagram. He honored the man who he considers “the greatest teacher in my life.” Questlove recalls touching moments between Lee and himself, including disagreements over his career choice, being able to provide for his father and most importantly Lee’s tenacious parenting. Read the whole thing below and make sure you have some tissues on hand.