New links on guitars101 8/2/2015

Billy Preston - 1988-01-23 - Philadelphia, PA (SBD-FLAC)
Cactus - 1971-07-05 - Bronx, NY (AUD-FLAC)
John Mayall - 1987-06-06 - Philadelphia, PA (SBD-FLAC)
Mark Knopfler - 1996-05-31 - Arnhem, Holland (AUD-FLAC)
Patti Smith - 2015-01-21 - San Francisco, CA (AUD-FLAC)
The Who - 1972-09-02 - Vienna, AT (AUD-FLAC)