For people curious about synch rates, a friend just licensed the music (not performance) to an unknown song for promos for a major streaming production with A listers for $8000 on a two month license. This was with the assistance of an entertainment lawyer.
On the flipside, we now have Discovery Channel refusing to use music with sync licensing costs (ie licensed through ASCAP, BMI) and demanding composers sign away their royalties if they want their music on the show:
Of course every case is unique.