Music Fundamentals: Pitch and Rhythm Cheat Sheet

The core ideas of Music Fundamentals: Pitch and Rhythm distilled into a single, scannable reference — perfect for review or quick lookup.

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Quick Reference

Staff, Clefs, and Note Names

The musical staff is a set of five lines and four spaces on which notes are placed to indicate pitch. The treble clef (G clef) and bass clef (F clef) assign specific letter names (A through G) to lines and spaces, with ledger lines extending the range above or below the staff.

Major Scales and the W-W-H-W-W-W-H Pattern

A major scale is a seven-note scale built by following the interval pattern Whole-Whole-Half-Whole-Whole-Whole-Half step from any starting pitch. This pattern produces the familiar do-re-mi sound and serves as the basis for key signatures and diatonic harmony.

Minor Scales: Natural, Harmonic, and Melodic

The natural minor scale follows the pattern W-H-W-W-H-W-W. The harmonic minor raises the seventh degree by a half step to create a leading tone. The melodic minor raises both the sixth and seventh degrees when ascending, then reverts to natural minor when descending.

Key Signatures and the Circle of Fifths

A key signature is the collection of sharps or flats at the beginning of a staff that indicates which notes are consistently altered. The circle of fifths is a visual diagram showing the relationships among the 12 tones, arranged so each adjacent key differs by one sharp or flat.

Intervals: Quality and Size

An interval is the distance between two pitches, described by its numeric size (second, third, fourth, etc.) and quality (major, minor, perfect, augmented, diminished). Intervals are measured in half steps and are the building blocks of both melody and harmony.

Rhythmic Notation and Note Values

Rhythmic notation represents the duration of sounds and silences using note shapes and rest symbols. A whole note lasts four beats in common time, a half note two beats, a quarter note one beat, an eighth note half a beat, and a sixteenth note a quarter of a beat. Dots add half the value of the original note.

Simple and Compound Meter

In simple meter, each beat divides naturally into two equal parts (duple subdivision). In compound meter, each beat divides into three equal parts (triple subdivision). The top number of a simple time signature shows beats per measure; in compound time, divide the top number by three to find the number of beats.

Enharmonic Equivalents

Enharmonic equivalents are notes that sound the same pitch but are spelled differently depending on the musical context. The choice of spelling depends on the key and harmonic function.

Musical Texture Types

Musical texture describes how melodic and harmonic elements are combined. Monophonic texture has a single unaccompanied melody. Homophonic texture has a melody with chordal accompaniment. Polyphonic texture has two or more independent melodies sounding simultaneously. Heterophonic texture has simultaneous variations of a single melody.

Instrument Families and Timbre

Timbre (tone color) is the quality that distinguishes one sound source from another, even at the same pitch and volume. Instruments are classified into families: strings, woodwinds, brass, percussion, and keyboards, each with characteristic timbral qualities based on their sound production method.

Key Terms at a Glance

Staff:A set of five horizontal lines and four spaces on which musical notes are placed to indicate pitch.

Treble Clef:Also called the G clef, it assigns the note G to the second line of the staff and is used for higher-pitched instruments and voices.

Bass Clef:Also called the F clef, it assigns the note F to the fourth line of the staff and is used for lower-pitched instruments and voices.

Ledger Line:Short horizontal lines added above or below the staff to extend its range for notes too high or too low to fit on the five-line staff.

Major Scale:A seven-note scale following the interval pattern W-W-H-W-W-W-H, producing the familiar do-re-mi-fa-sol-la-ti-do sound.

Natural Minor Scale:A seven-note scale following the interval pattern W-H-W-W-H-W-W, sharing the same notes as its relative major but starting on the 6th degree.

Harmonic Minor Scale:A minor scale with the 7th degree raised by a half step to create a leading tone, producing an augmented 2nd between degrees 6 and 7.

Melodic Minor Scale:A minor scale that raises both the 6th and 7th degrees when ascending (to smooth the augmented 2nd) and reverts to natural minor when descending.

Key Signature:The sharps or flats placed at the beginning of a staff indicating which notes are consistently altered, defining the key of the music.

Circle of Fifths:A diagram arranging the 12 tones in a circle of ascending perfect fifths, showing the relationship between major and minor keys and their key signatures.

Interval:The distance in pitch between two notes, classified by numeric size (2nd, 3rd, 4th, etc.) and quality (major, minor, perfect, augmented, diminished).

Half Step:The smallest interval in Western music, equal to one semitone or the distance between two adjacent keys on a piano (e.g., E to F, or C to C#).

Whole Step:An interval equal to two half steps or two semitones (e.g., C to D, or E to F#).

Perfect Fifth:An interval of 7 half steps (e.g., C to G), one of the most consonant intervals and the basis for the circle of fifths.

Perfect Fourth:An interval of 5 half steps (e.g., C to F), the inversion of a perfect fifth.

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