The musical scale that has seven notes is the diatonic scale. This scale is fundamental to Western music and consists of seven distinct pitches, often represented by the syllables do, re, mi, fa, sol, la, and ti. The diatonic scale encompasses both major and minor scales, with the major scale characterized by a specific pattern of whole and half steps. Diatonic scales serve as the basis for melodies and harmonies in numerous musical genres. Interestingly, many classical, folk, and popular songs rely on this structure, making the diatonic scale a vital part of music theory and composition.