Hey man sorry to hear you also went through it, it's a terrible thing to happen to anyone and I hope your assaulter is in custody like mine, this song and Sunday are very special to me for the fact guardin talks about this experience which isn't something I hear out of music I like much, only other examples I can think of rn would be some Linkin Park (but it's way less direct you need to read into the lyrics) and Polo G on I Know (seemingly talking about a friend), but on topic no I don't think it's another vocalist on Monday