Listen to Sonata for Cello and Piano: I. Moderato, Tempo vaccilando online. Sonata for Cello and Piano: I. Moderato, Tempo vaccilando is an English language song and is sung by Florence Hooton and Wilfrid Parry. Sonata for Cello and Piano: I. Moderato, Tempo vaccilando, from the album Bax & Jacob: Chamber Music for Cello & Piano, was released in the year 2008. The duration of the song is 12:31. Download English songs online from JioSaavn.