[1] Among the long-standing members were principal players of the orchestra, concertmaster Daniel Stabrawa, second violinist Christian Stadelmann, the principal violist Neithard Resa, and cellist Jan Diesselhorst.
[2][3] When the latter died unexpectedly in 2009,[2] the cello part was taken over by Dietmar Schwalke the same year.
[3] At the Kammermusiksaal of the Berliner Philharmonie, the ensemble performed complete cycles of the string quartets by Beethoven and Shostakovich.
[7][8] They recorded all the Beethoven string quartets over years, combined in 2015 when they celebrated their 30th anniversary.
[9] After the death of second violin Christian Stadelmann in 2019, the status of the ensemble remains unclear.