4 + 20 by CROSBY, STILLS & NASH Overview Tag Appears on 1991 - Box Set Carry On (CD1) Carry On (disc 1) Crosby, Stills & Nash [Box Set] (Disc 1) CSN Anthology Disk 1 CSN Box CSN (disc 1) Top2000 Woodstock 40: 3 Days of Peace & Music (disc 6) Woodstock 40 CD6 Woodstock: 40 Years on: Back to Yasgur's Farm Woodstock: 40 Years On: Back to Yasgur's Farm [Box Set] Disc 6 Woodstock: 40 Years on: Back to Yasgur's Farm - Disc 6 Woodstock - Back to the Garden: the Definitive 50th Anniversary Archive Playcount 1 Listeners 1