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Sound on sound A recording on track
1
can be played and
monitored by headphones while another is recorded. Both are
recorded together on track 3. Track 3 can then be played and
monitored while a new recording is made, the combined result
appearing on track
1,
so erasing the original. The process can
continue indefinitely, each new recording being added to what
has gone before. If the latest part is faulty it can be re-done as
the recordings up to that point are still intact on the previous
track. The practical limit is set by the addition of noise and
distortion at each re-recording which becomes noticeable after
about four transfers. Bas ...