Listen to 1 2 3 4 5 6 7 online. 1 2 3 4 5 6 7 is an Instrumental language song and is sung by PhazeShift. 1 2 3 4 5 6 7, from the album 7, was released in the year 2014. The duration of the song is 4:14. Download Instrumental songs online from JioSaavn.