The playlist should be part of the record. The degree of obscenity and misogyny should be compared to classic rock or another set of "workplace-ok" music. Hard to gin up any sense of feeling it's important without understanding.

Also harassment regs may lean towards "prevent anything that anyone finds offensive in any way", in which case silence will rule, and that could be OK.

this could easily just be some racist who heard a billboard top 40 song, I'm assuming names/examples of the obscene, misogynistic music that'll come up in court right?

Some older people get really worked up over contemporary music.

Yes i do the cooking, yes i do the cleaning.

Such wonderful song and all they can think of is - let's file a lawsuit

The thing is that even severe workplace harassment is not illegal, but sexual harassment is. So they try to make something stick.

Frank Zappa?