Tchaikovsky - piano concerto no.1-1st movement - Classical Loop - 3.3MB - 0.17 - concerto, romantic, piano - The Piano Concerto No.1 in B-flat minor, Op. 23 was composed by Pyotr Ilyich Tchaikovsky 1875. Piano Concerto No.1 - 1st Movement (Allegro non troppo e molto maestoso – Allegro con spirito)