Does key matter song?

How does key affect a song?

Each additional sharp in the key signature adds more brightness and sparkle to the sound, while each flat contributes softness, pensiveness and even melancholy. Also as a general rule, major keys sound happy, light, and regal; the minor keys are typically sad, dark and introspective.

What difference does the key of a song make?

Music for solo voice and piano is often made available in different keys to suit the voice range of different singers. You would notice if the same singer sang a song in different keys because it would lie differently within the voice range.

Does a song need to be in key?

There are songs that might as well not have a key, with so many accidentals that it basically becomes tonal soup. However, even those have a key to start with. A key signature simply tells you seven of the twelve normal tones the song is written to use.

How important is key in music?

Most songs finish on the tonic of the key to make the song sound complete or finished. It's a very natural sound to expect and it will sound strange when you don't hear it. When the end of a song goes unresolved it often has a comical effect. This effect is possible because of everyone's natural sense of tonality.