Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: music-suite (user goal)
rejecting: music-suite-1.8.1, 1.8, 1.7.2, 1.7.1, 1.7.0.1 (global constraint
requires ==1.7.0)
trying: music-suite-1.7.0
next goal: music-preludes (dependency of music-suite-1.7.0)
rejecting: music-preludes-1.8.1, 1.8, 1.7.2, 1.7.1, 1.7, 1.6.2, 1.6.1, 1.6,
1.3.1, 1.3, 1.2.1, 1.2 (conflict: music-suite => music-preludes==1.7.0)
Dependency tree exhaustively searched.