Simplify the following text for a Grade 7 native English-speaking person.
Original: For many years Carthy has enjoyed a creative partnership with fiddle player Dave Swarbrick and , more recently , Waterson : Carthy has provided the forum for a successful musical partnership with wife Norma Waterson together with their daughter Eliza Carthy .
Simplified: For many years Carthy has enjoyed a creating music with fiddle player Dave Swarbrick . He has also worked with his partner Norma Waterson and their daughter Eliza Carthy in a group called Waterson : Carthy .