Recorder Duet Alto Recorder,Soprano Recorder - Level 2 - Digital Download SKU: A0.1271558 By Francesco Bardelle MUSIC. By Francesco Bardelle. 21st Century,Blues,Children,Instructional. Score. 2 pages. Francesco Bardelle #863950. Published by Francesco Bardelle (A0.1271558). RECORDER FLUTE DUET:Little didactic piece in Blues style for two Descant Recorder Flute.Also suitable for two Alto Recorder Flute.