He then goes on to give an example of one of the difficulties regarding the technical limitations with cutting straight to disc on a gramophone acetate record and choosing between 88 -112 lines per inch of cutting to the disc according to the length of the song making sure it wont skip or jump and describes it as ‘A major problem back then’. There was a great difference between then and now as far as recording techniques goes, a lot of music was recorded with a single microphone on a single mono track until the late 40’s. Al Schmitt, one of the engineers in the documentary goes on to recall that they recorded “pretty much with one microphone and moved everyone around and balanced the people in the