Listen to Impromptu in A-Flat Major, "Momento lirico" (completed by A. Taneyev) online. Impromptu in A-Flat Major, "Momento lirico" (completed by A. Taneyev) is an English language song and is sung by Franco Trabucco. Impromptu in A-Flat Major, "Momento lirico" (completed by A. Taneyev), from the album Tchaikovsky: Complete Piano Works, was released in the year 2011. The duration of the song is 3:20. Download English songs online from JioSaavn.