It’s an adaption of an arbitrage pricing approach developed in 1973 by Fisher Black and Myron Scholes. The good news is that the complex portion is multiplied “0, so the complex portion is completely irrelevant to the outcome and should be ignored.
With only a few exceptions, the songs were released in 2017. Those few bands welcome the additional exposure. So, we don't feel badly.
1. "Better” by SYML (from the post of April 16)
6. “Behind the Beat” by CREO (from the post of June 9)
All 50 (54) are available on Spotify