@GiussePMusic Then, in the arrangement, I add the instruments, making sure that no important parts overlap with the vocals.
Later, in the mixing stage, I apply glue compression on the mix bus, use reverb, and apply subtractive EQ to the instrumental to create space for the voice.
@GiussePMusic It depends on the production stage.
For me, the best practice is to start by sketching the song using only piano. At this stage I decide the overall structure, the chords, rhythms, the melody and countermelodies. [...]