jamtracks for guitar
Download cool Blues Jamtracks at iTunes ! (Blues from New Orleans to Shuffle Rock-Blues)
http://itunes.apple.com/us/album/playbacks-zum-improvisieren/id131746978
Download modal Groove-Jamtracks: Rock, Funk, Fusion
http://itunes.apple.com/us/album/playbacks-zum-improvisieren/id131746061
Playbacks in all 12 Major keys: Rock/Pop
http://itunes.apple.com/us/album/playbacks-zum-improvisieren/id131745361
Jazz-Jamtracks:
Vol.1: Jazz Basic progressions:
https://itunes.apple.com/en/album/playbacks-zum-improvisieren/id135253865
Vol.2: Jazz Advanced progressions:
https://itunes.apple.com/en/album/playbacks-zum-improvisieren/id135255950
Vol.3: Jazz-Blues progressions:
http://www.amazon.de/Playbacks-zum-Improvisieren-Jazz-Blues/dp/B000LPRJBW
Vol.4: II-V-I-Progressions:
https://itunes.apple.com/en/album/playbacks-zum-improvisieren/id203172473