Radio Music Shop will launch tomorrow - 14 December - on Sky and Freeview, as well as on www.radiomusicshop.com, and will be rolled out on DAB, cable and mobile phones next year.
Listeners will be able to purchase the CD of each song straight after it has been played, ordering by phone or through the website.
Radio Music Shop's 24-hour schedule will play a variety of music genres, differing its output according to the time of day to reflect listening habits.
Somethin' Else is confident of demand for the service, despite radio groups such as GCap planning to bypass the CD format by looking to sign up for digital download services that send tracks straight to mobile phones and computers.
A spokesman for Somethin' Else said:. "A large percentage of music is still purchased in physical form rather than through downloads via the internet.
"The shop draws on the huge potential market of back-catalogue and classic CD's that might not be available in the shops."
This article was first published on Media Week