Some bi tonality happening there. Colourful is an understatement. Third movement 'Emporté' reminds me a bit of some things that Brazilian Avant Garde Multi Instrumentalist Hermeto Paschoal has written.
this work is not entitled as "qartet" but as "Sonate pour flute, hautbois, clarinet et piano op. 47". So please replace "quartet" in favor of "sonata" to avoid misunderstandings.