 Hindemith wrote seven string quartets and two string trios, among other chamber works.At a time when composers were writing works of increasing complexity, beyond the reach of amateur musicians, Hindemith explicitly recognized the importance of amateur music-making, and intentionally wrote pieces that were within the abilities of nonprofessional players.Dmitri Shostakovich was one of the most prolific of chamber music composers of the 20th century, writing 15 string quartets, two piano trios, the piano quintet, and numerous other chamber works.