(Harmonica). This is a collection of 67 bluegrass and old-time fiddle tunes arranged for 10-hole diatonic harmonicas, complete with music notation in the original fiddle keys, harmonica tablature, and guitar chords. Here you will find many of the best known traditional tunes in these genres, among them: Blackberry Blossom * Bill Cheatham * John Brown's Dream * Breaking Up Christmas * and more.