Complex sentence: Bob actually wrote it on deadline, scribbled hastily on a paper napkin in an Italian restaurant in New York using the wall pay-phone to dictate the melody, rhythm and lyrics to the recording studio pianist, under the aegis of conductor Mitch Miller.
Split into simpler sentences: Bob actually wrote it on deadline, scribbled hastily on a paper napkin in an Italian restaurant in New York. Dictated by Bob into a wall pay-phone to the recording studio pianist, under the aegis of conductor Mitch Miller.