What difference does the key of a song make?

Does the key of a song matter?

In other words, it's quite possible to generate interesting chord progressions even if you don't know the key of your song. Your ears will tell you if the progressions are working. So that's one answer: It doesn't matter if you don't know the key of your song; you can still come up with progressions that sound great.

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 does the key Tell us in music?

A key signature is a visual symbol, printed on a musical staff, that indicates what key a section of music is written in. Key signatures are represented by using accidentals—better known as sharps and flats. The number of sharps or flats indicated in the key signature will tell the player what key the music is in.

Why is it important to know the key of a song?

Getting the key right allows you to find the seven chords that will form the majority of the chords you'll use in the song. It also makes it easier to choose all sorts of interesting “altered chords,” rather than leaving that up to random chord hunting.