Listen to Someday (I Will Understand) [Karaoke Version] online. Someday (I Will Understand) [Karaoke Version] is an English language song and is sung by SBI Audio Karaoke. Someday (I Will Understand) [Karaoke Version], from the album Sbi Gallery Series - Britney Spears, Vol. 2, was released in the year 2014. The duration of the song is 3:35. Download English songs online from JioSaavn.