BUTTERFIELD BLUES BAND "east-west" 1966

The Who-A Quick One While He's Away. 1967 9.10 mins

"Featuring the Human Host and the Heavy Metal Kids" Hapshash & the Coloured Coat '67

track - Empires Of the Sun (15 min)

SEVENTH SONS "4:00 A.M. AT FRANK'S" track "Raga" (30 min.)

recorded '64, released '68

Beach Boys-Heroes and Villains from the Smile Sessions has all sorts of bits and pieces and versions that are well over six minutes.