Rockmaster In LibrariesRockmaster In LibrariesRockmaster In LibrariesThe Rockmaster System Now Available In Public LibrariesThe Rockmaster System: Relating Ongoing Chords to the Keyboard (ROCK) Book 1 is available in the following libraries:Brooklyn Public LibraryQueens LibraryShare this:TwitterFacebookRedditLinkedInPinterestPrintEmailTumblrLike this:Like Loading...