1. Tunefind: Tunefind is a website and mobile app that allows users to find out what songs are featured in movies and TV shows. You can search by the name of the show or by the episode title, and Tunefind will provide a list of all the songs that appear in that particular episode.
2. SoundHound: SoundHound is a music recognition app that can identify songs by listening to a short sample. You can use SoundHound to identify the songs that are played on One Tree Hill by humming or singing a few lines of the song.
3. Fan forums and websites: There are many fan forums and websites dedicated to One Tree Hill, and many of these will have discussions about the songs that appear on the show. You can find guides to the songs by searching through these discussions.
Here are a few additional tips for finding a guide to the songs played on One Tree Hill:
* Check the show's official website or social media pages. They may have posted a list of the songs used in the show.
* Look for books or magazines about the show. These publications may include a guide to the songs.
* Ask other fans of the show. They may have compiled their own list of the songs used in the show.