1. Listening analysis on production techniques in tracks by Pet Shop Boys, Billy Eckstine, Pink Floyd, Gerry Rafferty, and Owl City with focus on EQ, reverb, delay, ambience, dynamic control, stereo field 2. Historical vs. modern technology comparisons: tape recording limitations, EQ curve constraints, mono mic issues, vibrato modulation, synth type identification 3. Advanced sound design terminology: gated reverb, quantisation, waveform shaping, stereo panning, filter effects, DAW automation, compressor application 4. Identification and correction of audio artifacts in legacy recordings: tape hiss, poor frequency response, phasing, dropouts, distortion from analog sources 5. Essay analysis comparing original vs. remix (Owl City – Fireflies): tempo, arrangement, vocal treatment, layering, reverb tail, automation, compression strategy 6. Technical problem-solving: mic placement issues, delay type usage, fade out automation, sample matching, waveform selection in period-authentic synthesizers