Visit Lyrster.com. The site is free and does not require registration.
Type a phrase or portion of lyrics into the field provided. Depending on the phrase you use, you may get quite a few results. The longer the phrase, the more your results will be narrowed down. This will make it easier to find the song you're looking for.
Press "Find my song" to conduct your search. If the phrase you entered was correct, your song will be among the displayed results. Scroll through the list (if necessary) and select the correct song. As an example, do you know the name of the song that goes with the lyrics "once I rose above the noise and confusion?" The No. 1 result on Lyrster is "Carry On My Wayward Son." No matter how short or long your phrase is, as long as it is entered correctly, you will get the result you're looking for.