Musical tones are the building blocks of music, and can be represented by NOTES, res, tis, sols, and eflats. NOTES are the basic elements of music, and are typically represented by letters such as A, B, C, D, E, F, and G. Res, tis, and sols are variations of NOTES, with res being a half step lower than the note, tis being a whole step higher than the note, and sols being a whole step lower than the note. Eflats are a type of note that is a half step lower than the note E. Together, these musical tones create the melodies and harmonies that make up music.