Singer-Songwriter and Keys Man Oli Rockberger has performed and/or recorded alongside the likes of Randy Brecker, Carly Simon, John Mayer, Steve Gadd, Jesse Harris, Becca Stevens and Chris Dave And The Drumhedz amongst many others."Sovereign" is Oli's 4th studio album, following on from his acclaimed "Old Habits" which garnered Jazz FM''s prestigious 'Record of the Month' gong. MORE ON OLI HERE.