Bubble Machine for 2 alto recorders by Karel van Steenhoven
From: Breath Machine (Schott OFB 220)

Steenhoven - Bubble Machine

Fugue in G minor BWV 578 by J S Bach
Arranged for soprano, alto, tenor and bass recorder
http://ks4.imslp.info/files/imglnks/usimg/e/e9/IMSLP161754-WIMA.29b5-Fuga578-SATB.pdf

Bach - Fugue G Minor

Nieukerk - Kadanza

Clockwork Toccata (op. 68/C) for recorder quartet by Fulvio Caldini

Caldini - Clockwork Toccata

Opening section of Mike Oldfield's 'Tubular Bells' played on recorders

Dartmoor Recorder