I wanted to find someone with ______I could discuss books and musicwhom可是介词后不是要加?which吗

I wanted to find someone with ______I could discuss books and musicwhom可是介词后不是要加?which吗
I wanted to find someone with ______I could discuss books and music
whom
可是介词后不是要加?which吗

I wanted to find someone with ______I could discuss books and musicwhom可是介词后不是要加?which吗
with+宾语而且划线处先行词是someone是人【采纳我】

定语从句为I could discuss books and music with someone,someone是先行词，用whom指代，which指物，不对。采纳我