String Quartet No. 12 in D flat major, Op. 133 - Shostakovich: String Quartet No. 12 in D flat major, Op. 133 - 1. Moderato - Allegretto (String Quartet No.12 in D flat major, Op.133: ゲン|弦楽四重奏団 第12番 変ニ長調 作品133(1968): 第1楽章: MODERATO - ALLEGRETTO)