But what if you want to figure out a song’s title when it’s not playing?
Midomi
Identifies songs from a sample that is sung or hummed.
Search by lyrics, artist, or song title.

Need to sing into a microphone in an area with limited background noise.
Some songs aren’t in Midomi’s database.
Midomi can help you find a song in several ways.

Since it uses voice sampling, it helps identify a song that’s stuck in your head.
Just sing, hum, or even whistle the tune.
The Midomi website is easy to use.

All you need is a microphone and a few seconds of silence to provide it with your sample.
you’re free to also search the few lyrics you remember to get a list of possible matches.
WatZatSong
Community-driven song identification.
Active community; you might get an answer in minutes.
A leaderboard encourages contributions.
Record with a mic or upload a file.
Inaudible samples or inaccurate lyrics may not receive answers.
No easy way to see if others have already posted about the same song.
Must make an account to post a sample.
WatZatSong should be your next stop if you’re gonna wanna identify a song.
Post your sample and have other visitors listen in to provide answers or guesses.
The service works well and provides fast results unless your input is obscure or inaudible.
AHA Music
Upload a file or record the audio live.
Links to the YouTube video upon successful identification.
Works with all the popular audio and video formats.
Limited to 10 identifications per day.
Humming won’t work for the live option.
Like Shazam and similar services, AHA Music identifies unknown songs through audio fingerprinting.
It’s incredibly easy to use; just upload a file and let it work its magic.