image copyrightDelaney Royer

image captionFunky fresh pop trio Avenue Beat (L-R): Sami Bearden, Sam Backoff and Savana Santos

How do you follow up a song that goes viral in the middle of a pandemic?

That was the dilemma facing US pop band Avenue Beat, who landed an unexpected hit last year when a half-finished, throwaway song exploded on TikTok.