Listen to Roobarb and Custard Theme online. Roobarb and Custard Theme is an English language song and is sung by Nelsons Platinum Themes. Roobarb and Custard Theme, from the album Nelsons Platinum Themes - Vol.5, was released in the year 2016. The duration of the song is 1:01. Download English songs online from JioSaavn.