So far I’ve found everything I looked for, and a few new ones too. Their app features for lyrics and other songs you might like work great. Admittedly, I’m an old metal head who loves singing to a song at the top of the voice, out of tune of course, so I might not be skirting the kinds of niches you like.
This happens easily for big successful organisations. Over decades a strong culture aligned with how they succeed forms. Once the market changes requiring a culture change, a seemingly invincible company suddenly stumbles. They simply can’t respond even if they what they should change.
Ex. Rolls Royce CEO stated this phenomenon well: culture eats strategy for breakfast.