The A major scale is: In the treble, alto, and bass clefs, the G♯ in the key signature is placed higher than C♯.

Johannes Brahms, César Franck, and Gabriel Fauré wrote violin sonatas in A major.

In connection to Beethoven's Kreutzer Sonata, Peter Cropper said that A major "is the fullest sounding key for the violin.

"[2] According to Christian Friedrich Daniel Schubart, A major is a key suitable for "declarations of innocent love, ... hope of seeing one's beloved again when parting; youthful cheerfulness and trust in God.

"[3] For orchestral works in A major, the timpani are typically set to A and E a fifth apart, rather than a fourth apart as for most other keys.