Roots of Wishbone Ash

Martin Peter Birch was a British music producer and sound engineer. He became renowned for engineering and producing albums recorded predominantly by British rock and metal bands, including Deep Purple, Rainbow, Fleetwood Mac, Whitesnake, Black Sabbath, and Iron Maiden.

The Allman Brothers Band was an American rock band formed in Jacksonville, Florida, in 1969. Brothers Duane and Gregg Allman founded it with Dickey Betts, Berry Oakley (bass), Butch Trucks (drums), and Jai Johanny "Jaimoe" Johanson (drums). Subsequently based in Macon, Georgia, they incorporated elements of blues, jazz and country music and their live shows featured jam band-style improvisation and instrumentals.