Composer: Patty Hill
Work title: Happy Birthday Virtuoso Variations
Type of composition: Piece
Movements/sections: 7: Theme, Var.1: At the tip, Var.2: Right and left hand pizz., Var.3: Trills and mordents, Var.4: Harmonics, Var.5: Minore, Var.6: Finale.
Number of pages: 3 + 4, Score + Parts
Arrangement: Violin Duet

Viola Duet version here.