The YouTube Premieres series has been raising funds for Teenage Cancer Trust and Teen Cancer America.
It was The Who's second consecutive appearance at the festival and again featured their 'Tommy' album.
Join Together @ Home will be hosted on the band’s official YouTube channel and starts this Saturday, August 8.
The series premieres on 3 July with Live at the Playhouse Theatre, in Edinburgh in 1976.
The third episode in the #Extra Licks series, premieres this Sunday, 17 May, at 12pm PT/ 3pm ET/8pm BST.
The series comprises a sequence of featurettes, all available digitally for the first time