Does it matter which key a song is in?

Can a song be played in any key?

Theoretically you can play any melody and chord progression for a song in any key. But a song will often work best in certain keys and usually the key it was written in for a specific instrument.

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.

Why is it important to know what key a song is in?

Finding the key of a song is an important way to better understand the music you play. A song's key can tell you a lot about how the song was written as well as what chords and notes you're likely to play in it.

How does the key of a song affect it?

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.