Question About Songs

I love songs. They are fantastic for the kids. But I avoid songs. It is because of the amount of new vocabulary that needs to be PQA’d for the kids to properly understand and thus enjoy the song. There is so much, especially when considering the song for a first year class, so much that it seems like it would take upwards of a week to get enough comprehensible input on the targeted vocabulary via backwards planning to make the song intelligible to the kids. But what if we just PQA’d the song to the extent possible in our one period on Friday and then just played it at the end of the class? Has anyone done that? How does it work? Should I try to do it? I would love to share some French songs with my students this year, a lot more than I have in the past.