This group eventually became a professional ensemble performing 17th and 18th century music on period instruments.
During the 1980s, recordings became less frequent as most came to be offered to professional ensembles.
The orchestra became a professional ensemble during Gati's years in the mid 1970s.
He formed the amateur choir to a professional ensemble.
A professional ensemble is less likely than an amateur orchestra to play the entire piece.
Much of the memorable chamber music literature was written before permanent and professional ensembles ever existed.
The Real Group has been a professional ensemble since then.
Following her graduating in September 1963, the actress signed a contract with the professional ensemble, being pregnant actually.
They are the only glass harp music group in Poland, one of few professional ensembles worldwide.
British bands were all amateurs, but America produced many professional ensembles as well.