Listen to Mikrokosmos, BB 105 (excerpts): Vol. 4: No. 100. In the Style of a Folksong – Vol. 6: No. 142. From the Diary of a Fly – Vol. 6: No. 140. Free Variations online. Mikrokosmos, BB 105 (excerpts): Vol. 4: No. 100. In the Style of a Folksong – Vol. 6: No. 142. From the Diary of a Fly – Vol. 6: No. 140. Free Variations is an English language song and is sung by Béla Bartók. Mikrokosmos, BB 105 (excerpts): Vol. 4: No. 100. In the Style of a Folksong – Vol. 6: No. 142. From the Diary of a Fly – Vol. 6: No. 140. Free Variations, from the album Bartok: Bartok at the Piano, was released in the year 2014. The duration of the song is 3:35. Download English songs online from JioSaavn.