I have used both Fiverr and SoundBetter. Fiverr cost less in general, SoundBetter had more professional people to choose from. Many vocalists on SoundBetter are very busy and sometimes they are a bit hard to contact.
There are several other sites advertising services on the net.

It is very important to know what you need and when you need it and get that agreed to in writing before accepting their offer. I don't normally try to bargain about the rate unless I am dealing with someone for the second time. You can state a budget upfront which will be helpful.

A high-quality vocalist can be pretty pricy. The price can be anything but $200 to $400 per song is pretty normal.

I find it quite difficult to work in such a passive manner. I much prefer to be live in a studio as the vocal is being produced. The pandemic has made that almost impossible.

The issue is that most people are unwilling to work face to face on Zoom or Skype while recording.

If you know with precision what you want to hear and can send the vocal line in writing/standard notation. That will separate the professionals from all the rest. Explain also the amount of deviation you will tolerate from the written music.

Be prepared to occasionally have this process fail and the vocal you get will be unacceptable and you will have wasted your money on that singer.

The two most difficult issues to deal with are vocalists and drummers.

Just an idea but perhaps there actually is a "little brown church" near you that you could make friends with to get this done.

Billy

Last edited by Planobilly; 08/24/21 02:08 PM.
“Amazing! I’ll be working with Jaco Pastorius, Charlie Parker, Art Tatum, and Buddy Rich, and you’re telling me it’s not that great of a gig?
“Well…” Saint Peter, hesitated, “God’s got this girlfriend who thinks she can sing…”