If you really want a simple summary of the perfect balance of music, I highly recommend the annual DJ Event Planner Top 200.  This is REAL cloud-based data from clients all across the nation who planned their music through DJs using this popular platform.  This is broad based across the entire country and THESE are the MOST REQUESTED songs for dancing and specific special formalities, updated annually.

Here are the Top 200, plus specialty favorites pooled from thousands of couples in 2021:

https://djeventplanner.com/mostrequested.htm?fbclid=IwAR3PRMf6BPgYzlZClbfkZmMIczaZvNcpv2RZnheAFNffnD34j8lj0Vuph9k