In this mod, Shaggy bumps into Boyfriend and Girlfriend while looking for Scooby. He kindly asks the two if they have seen Scooby, but Boyfriend wants to sing with him. Although a bit hesitant, Shaggy accepts the sing-off.

After the first song which had Shaggy let out a small burst of power towards the end, Shaggy apologizes that he lost control and that he didn’t want to make it unfair for Boyfriend. Boyfriend accepts this apology and challenges him again. Shaggy obliges and heads into the second song. After the second song, Shaggy compliments Boyfriend on his skills and wants to speed up the pace to not bore Boyfriend. But Boyfriend wants a true challenge. Shaggy, after thinking about it, accepts and powers up, ready to challenge him with the final song.