Listen to Birch Sap online. Birch Sap is an Instrumental language song and is sung by Vocal Quartet "Ulybka", Moscow Chamber Choir, Ray Conniff and Melodiya Ensemble. Birch Sap, from the album Ray Conniff in Moscow, was released in the year 2007. The duration of the song is 2:38. Download Instrumental songs online from JioSaavn.