Determine which note clef you will be using to write your music. Many instruments exclusively use one note clef, such as the treble or bass clef. As a general rule of the thumb, instruments that are pitched in higher ranges of the harmonic spectrum use the treble clef, while instruments pitched lower tend to use the bass clef. Resources such as Oxford Music Online provide additional information concerning note clefs. (See Resources)
Write the rhythmic meter and key signature of the music you will be composing to the right of the note clef. These visual symbols display important information concerning the number of beats that will be allocated to an individual measure as well as the specific pitches that will be raised or lowered a semitone consistently throughout the piece. Many popular songs are commonly written in "common time," indicating that there are four beats in a measure and a quarter note receives one metric pulse. Although key signatures are not essential to the written notation comprising a musical work, establishing a framework of semitone adjustment removes the need for drawing "#" and "b" symbols next to each raised or lowered note.
Use the line and spaces on the music staff to properly orient the pitches you are transcribing to the sheet music. When using the treble clef, the space between the third and fourth lines counting down from the top of the staff is the note A4 located above middle C on the keyboard. When using the bass clef, the space between these same lines in the note C3, located exactly one octave below middle C.
Add the correct number of beams or flags to your note heads to indicate the rhythmic value of the note. Typically, individual notes that do not have any flags attached to their stems are known as quarter notes, while notes with one flag are called eighth notes. Notes with two flags are exactly half the duration of the eighth note and are thus called sixteenth notes. Depending on the time signature you have created, each of these note values might receive a different portion of the metric pulse of the music.
Write the lyrics for vocal parts you have create underneath the notes and rhythms corresponding to the syllables of the words. Place the lyrics between the staffs in order to facilitate rehearsal and practice by singers and directors.