The blues jam was recorded at Olympic Studios in London during sessions for the band's self-titled debut. "Coda" originally presented 8 unreleased tracks recorded between 1970 and 1978.

The reissue features two companion discs featuring 15 tracks recorded between 1968 and 1974, including 1968's "Baby Come On Home" and "Sugar Mama"; an early version of "When The Levee Breaks" from 1970 titled "If It Keeps On Raining"; rough mixes of "The Wanton Song" and "In The Light" from the "Physical Graffiti" sessions; and, an instrumental 1970 mix of "Poor Tom" and the previously unreleased instrumental "St. Tristan's Sword."