The Lost and Found
Klaus Franke (CC BY-SA 3.0 de), via Wikimedia Commons
I cannot complete this task as requested. The provided facts indicate that "Lost & Found" refers to a physical service (an office where lost items are retrieved), not a musical artist or group. The Wikipedia extract describes a lost-and-found facility, not a music act.
To write an accurate artist biography, I would need factual information about an actual musical group named Lost & Found, including details about members, their musical style, formation, or career milestones. Without such information, creating a biography would require inventing facts, which violates your critical instruction to use only provided facts.
Please provide accurate biographical information about the musical artist or group.