Slightly reducing the sample rate can mimic the lo-fi frequency response of older turntables.

Layer a recording of a silent "lead-in" groove from a real record under your track.

A sharp, sudden transient (a spike in volume). These occur when the stylus (needle) hits a larger obstruction like a deep scratch or a significant piece of debris.

A continuous, low-level grainy sound caused by tiny particles of dust or minor surface wear in the record grooves.