One thing you can try is mute an unmute to get a quick feel for variations that you can then make into a new pattern.
Another tip is to keep the basic elements like drums and bass the same, but the bass line could play a different melody.
The idea is to give the listener sort of an anchor ( that’s the sounds you use, a theme) that identifies the song. If you add in things, change the melody for example you create variation that still relates to your songs identity.
Hope I made this clear?
All this is very dependent on the genre you produce.
That’s why it’s so important to learn by listening to what others are doing.
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