Amazon music.
https://www.amazon.com/dp/B07P6D9BQ6/ref=sr_1_1?crid=G3XNH24VSNA5&keywords=leftovers+season+1+soundtrack&qid=1672095101&sprefix=leftovers+seson+1+soundtrack%2Caps%2C97&sr=8-1
Track 1 is what you're looking for.