October 21
- 1917: Birth of Dizzy Gillespie (John Birks Gillespie) (+1993)
- 1940: Birth of Jimmy Beaumont (John Birks Gillespie) member of The Skyliners
- 1940: Birth of Manfred Mann (Manfred Sepse Lubowitz) member of Manfred Mann, Manfred Mann's Earth Band
- 1941: Birth of Steve Cropper (Steven Lee Cropper) member of Booker T. & The M.G.'s
- 1942: Birth of Elvin Bishop (Elvin Richard Bishop)
- 1943: Birth of Ron Elliott (Ronald Charles Elliott) member of The Beau Brummels
- 1945: Birth of Kathy Young member of Kathy Young and The Innocents
- 1946: Birth of Lee Loughnane (Lee David Loughnane) member of Chicago
- 1947: Birth of Tetsu Yamauchi member of The Faces and Free
- 1952: Birth of Brent Mydland (+1990) member of Grateful Dead
- 1953: Birth of Eric Faulkner member of The Bay City Rollers
- 1957: Birth of Steve Lukather member of Toto
- 1957: Birth of Julian Cope (Julian David Cope) member of The Teardrop Explodes
- 1957: Birth of Charlotte Caffey (Charlotte Irene Caffey) member of The Eyes, The Go-Go's, The Graces
- 1965: Death of Bill Black (William Patton Black, Jr.) (°1926) member of The Bill Black's Combo
- 1965: Recording of Keep On Running - The Spencer Davis Group
- 1965: Recording of Norwegian Wood (This Bird Has Flown) - The Beatles
- 1965: Recording of Nowhere Man - The Beatles
- 1969: Birth of Garfield Bright member of Shai
- 1970: Release of New Morning - Bob Dylan
- 1995: Death of Shannon Hoon (Richard Shannon Hoon) (°1967) member of Blind Melon
- 2003: Death of Elliott Smith (Steven Paul Smith) (°1969) member of Blind Melon
- 2006: Death of Sandy West (Sandra Sue Pesavento) (°1959) member of The Runaways