Listen to Summertime of Our Lives (A1 Karaoke Tribute) online. Summertime of Our Lives (A1 Karaoke Tribute) is an English language song and is sung by The Karaoke Machine. Summertime of Our Lives (A1 Karaoke Tribute), from the album The Karaoke Machine Presents - A1, was released in the year 2011. The duration of the song is 3:37. Download English songs online from JioSaavn.