Here are some useful links I normally visit. I hope you can find them useful.

WrestlingMedia.ws - A website dedicated to collect pro-wrestling related discography.

WatZatSong.com - A website that identifies unknown songs thanks to the larger community.

Crimson G's Theme Site - Even though the site is totally old, it was a good base for the creation of this website.

Discogs - An online database for music, even the hard ones to find.

All WWF/WWE Music - A website with the same ambition as mine but excusively adds WWE music information.

WhoSampled - A website that dedicates in collecting samples used in music.

Video Game Music Downloads - A database where you can download music extracted from the video game itself.

VGMdb - A database for every discography release in relation with video games.

Cuadrilátero Tops - Argentine website that covers wrestling facts from around the globe (Spanish language only).