John Charles Wilson (aka Frog Pocket) is well known for producing his own blend of folktronica. He plays fiddle on Voltergeist album Burnt & Buried, and is signed to Mike Paradinas' label Planet Mu.
Mike Hastings is an accomplished Scottish guitarist and songwriter, playing alongside Mike Heron (The Incredible String Band) and in Trembling Bells. He plays on Burnt & Buried track "Guillemot Rock".