In addition to his concert performances , Gerhardt has done various projects that have involved performance outside of traditional concert halls , such as in schools , hospitals and young offender institutions .
Gerhardt plays a Matteo Goffriller cello , made in 1710 .
In addition to Gerhardt 's concert performances , Gerhardt has done various projects that have involved performance outside of traditional concert halls , such as in schools , hospitals and young offender institutions .
Gerhardt plays a Matteo Goffriller cello , made in 1710 .