Complete the indicated task to unlock the corresponding guitar for purchase at The Vault.

Doubleneck: Get a "5 Star" rank on all songs, except the bonus song, under the Hard difficulty.
Get A Grip: Complete Career mode under the Hard difficulty.
Joe Perry's Doubleneck: Get a "5 Star" rank on all songs, except the bonus song, under the Expert difficulty.
Nine Lives (Daredevil): Complete Career mode under the Easy difficulty.
Permanent Vacation: Complete the game under the Medium difficulty.
Rock In A Hard Place (Zeitgeist): Get a "5 Star" rank on all songs, except the bonus song, under the Medium difficulty.
Toys In The Attic (Rocking Horse): Get a "5 Star" rank on all songs, except the bonus song, under the Easy difficulty.
Walk This Way: Complete Career mode under the Expert difficulty.