Enable Spotify Premium Content for Browser Logged in Spotify Users
This will add a Spotify player on some pages where you can listen to full songs and save them to you your Spotify account.

You can now paste Youtube urls in the search field to find the bpm of youtube songs.

Find Mixing or Music Ideas with Song Finder where you can filter our Music-Database by Genre, BPM and Key instantly with audio previews for many tracks. Analyse music with our Key BPM analyser and our free BPM tapper tool.

Song-Finder - filter songs by music genre, tempo and key with many audio samples