Commissioned by and dedicated to Ernestine Ruben Willow Run features Solo Alto Saxophone doubling on Baritone Saxophone with a mixed ensemble of English Horn Clarinet in Bb Flugelhorn 3 Percussionists Harp and 2 Double Basses (second part requires low C extension). Percussion 1: Vibraphone 1 (struck and bowed - shared with Percussion 2) Tam-tam Almglocken (2 octaves: C4-C6) 3 Crotales. Untuned metals station: Anvil Brake Drum Truck Spring Medium Steel Pipe Low Steel Pipe Percussion 2: Vibraphone 1 (struck and bowed - shared with Percussion 1) Timbre-rack (i.e. an array of unpitched percussion laid out in keyboard fashion) 2 Congas 2 Low Log Drums 3 Cowbells(Small Medium & Large) 2 Temple Block (Low & Medium) 2 Bongos Tambourine Small Woodblock Percussion 3: Vibraphone 2 1 Crotale Bass Drum Small Cuica Ratchet Sand Blocks Guiro Castanets
