This piece aims to explore the expressive, virtuosic and sonic potential of the recorder as a concertante instrument. Both descant and treble are used, and at one point (bb 141-144) a special effect is created by playing two descant recorders simultaneously - an evocation of the double flute or aulos of folk and antique tradition. Formally the concerto combines a traditional Classical/Romantic three-movement concerto structure into one movement, which also relates to the ritornello form of the Baroque concerto: an introductory instrumental exposition is followed by a solo exposition of similar material, then various episodes of dialogue and alternation between recorder and orchestra. Several indeterminate techniques are used, giving individual instrumentalists rhythmic freedom - for instance at figure F and in the first part of the central 'slow movement' (bb 145-195). The linked 'finale' contains two cadenzas for the soloist - one each for treble and descant instruments - separated by a recapitulation of previous material (also a feature of the descant cadenza).

? een bijzonder stuk?. Voor zeer vergevorderde of professionele spelers een uitdaging om hier samen met een pianist eens de tanden in te zetten! [? a remarkable piece?. For very advanced or professional players this is a challenge and together with a pianist something to get their teeth into!?] (Bernadette Pollen, blokfluitist, September 2017)