Lips of an Angel by Hinder- This song is similar to how Ethan wants to tell his wife about Mattie, yet doesn’t want her to know about his feelings for her.

Another Girl by The Beatles- This song represents how there is another girl in Ethan’s life that he can replace his wife with and be even happier than before.

Satisfaction by Rolling Stones- This song talks about how he is no longer getting any satisfaction from his marriage with Zenna and has found someone that he could replace her with.

If I fell by The Beatles- This explains how it would be when Ethan tells Mattie that he loves her and in hope that she loves her back.
Ethan Frome Playlist