C21 is a Danish boy band. It originally consisted of Søren Bregendal, Esben
Duus, and David Pepke. The group was formed after producer Lars Quang discovered
Søren Bregendal singing and encouraged him to record, later bringing in Esben
Duus and David Pepke to complete the trio. Their debut single “Stuck in My
Heart,” released in 2002, became their breakthrough hit, particularly gaining
traction in Southeast Asia. Their self-titled debut album followed that same
year and became one of the most successful Danish boy band debut albums at the
time. Their second album, Listen (2004), p...