Prerecording of the accompaniment to a singer who then listens through headphones to a replay as he /she performs. The two signals are mixed to give the final recording.
"Thank-you so much! I can't believe what you were able to do with a 55 year old reel-to-reel tape. I can not wait to share my fathers' recordings with the rest of the family. Everything was perfect and back to me in less than 3 weeks. Thanks again for helping to preserve family heritage!"