Listen to Concert Fantasia in G Major, Op. 56: I. Quasi Rondo online. Concert Fantasia in G Major, Op. 56: I. Quasi Rondo is an Instrumental language song and is sung by Mikhail Bank, Evgeny Svetlanov and Ussr State Symphony Orchestra. Concert Fantasia in G Major, Op. 56: I. Quasi Rondo, from the album Tchaikovsky: Concertos & Concertante Pieces, was released in the year 2020. The duration of the song is 15:58. Download Instrumental songs online from JioSaavn.