The Cardiff-based firm specialised in organising tours for choirs, orchestras and music fans.
“The company held an Atol up until 31 March 2021. Bookings and payments made after 30 April 2021 are not Atol protected,” said the CAA in a statement.
“We are currently collating information from the company and will update this page as soon as possible.
“Whilst waiting for further information, please do not use claim forms from other failures as these cannot be accepted.”
The company traded through the website melodymusic-company.com.