Ludwig van Beethoven’s Opus 1 is a set of three piano trios published in 1795. This volume, Op. 1 No. 2 - Piano Trio No. 2 in G major, has three movements: 1. Adagio, 2. Allegro vivace, 3. Largo con espressione, 4. Scherzo. Allegro, 5. Finale. Presto.