Yes, sounds like you might have been connected directly to Spammer ultrapeers. Those are typical spam results you received. That's the worst scenario with spammers when connected directly to them. Usually there's only spammers within your search horizon. Probable reason for those usernames being similar is very similar ip addresses.

Don't be sorry for posting here. We are here for this purpose of helping.

BTW I share a very large no. of such artist (including video). lol Many uncommon version songs also (unofficial live recordings.)