The small tone sequences, more building blocks than whole melodies, are reminiscent of classics of the Minimalism like Steve Reich or Philipp Glass. On the road and at home, they have a lot to offer between the styles experimental and playful sound surfers 11 new works created, which radiate an even more compact quartet sound ...to leave. Delta, the 4, stands for the reconciling link between flowing water and open sea, for the "unusual Quartet" (Albert Hosp, ORF, Radio ?1) and for the fourth album with original compositions of the ensemble. So many things emerge in the inner ear while listening to the new CD of the DWR on: The little notes, more building blocks than whole melodies, recall classics of minimalism, such as Steve Reich or Philipp Glass. Some ostinato rhythms, on the other hand, seem to be power plant inspired. Joe Zawinul's jazz paw has left its mark on of the keyboard. The wink of Mozart's eye, the Schubert's persistence, the flowing of Bach's arpeggios: Everything is finely spun, it is not quoted clumsily but quietly even if explicitly a bow is implied, even if explicitly a bow happens.