The normal tendency is to get faster as the song goes along. Vocalists do this also, it's a common problem.
Click track ear bud? If the vocalist has the tendency of speeding up and you have been keeping time with a steady beat -- it may be the vocalist that is the problem.........
Ole time Rock and Roll - Country, etc. keep time with the vocalist, i.e. the vocalist is the metronome, one note per lyric word. Something each band has to work out.
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