I, too, have gravitated toward music with lyrics over the years. My interest
with lyrics started with the movie Tango by Carlos Sauros, specifically the
scene of two singers performing Flores de alma at a dance rehearsal. I just
really enjoyed the romantic quality the pair brought to the
Music with lyrics is nice when you want to dance to the singer and dance
off beat and with delays. (But when I was a beginner I preferred to
dance WITHOUT lyrics so I could clearly hear the beat and dance
precisely on every beat.)
So I think a mix is good to satisfy all dancers. I think 50/50