Music Glossary - WACE Music Syllabus Flashcards
12 Bar Blues
Standard chord progression and musical form used in Jazz and Contemporary Music. In its simplest form (there are many variations) the progression uses the primary triads from the major key in the following pattern: I | I | I | I | IV | IV | I | I | V | IV | I | I.
Accent
An emphasis placed on a particular note or series of notes. Indicated by a symbol above or below the note or an abbreviation, such as sf.
Accidental
A symbol placed before a note to indicate an alteration of its pitch. A sharp (♯) raises a note one semitone, a double sharp () raises a note two semitones, a flat (♭) lowers a note one semitone, a double flat () lowers a note two semitones and a natural (♮) restores a note to its original pitch.
Accompaniment
A part in a musical work that usually provides harmonic support and rhythmic structure for the main melody or lead. It also describes the composed music, arrangement, or improvised performance that accompanies and supports the soloist or main melodic part. The accompaniment can be provided by a single instrument or part, or an entire ensemble.
Alberti Bass
Accompaniment pattern where a three-note chord is broken up and played in the order: lowest, highest, middle, highest. Named after Domenico Alberti who used this accompaniment style extensively.
Alto clef
The clef used by some instruments/parts (most often the viola). It indicates that ‘middle C’ is located on the third line of the staff.
Anacrusis
An incomplete bar at the beginning of a musical work or phrase. The remaining value of this incomplete bar is accounted for in the final bar. Also referred to as upbeat or pick-up.
Arch Form
Organisation of a musical work to create symmetry by repeating all, or most, sections in reverse order (e.g. ABCDCBA). Repetition need not be exact, but similar enough to be recognisable.
Arpeggio
A type of broken chord where the notes of the block chord are played in ascending or descending order. The process of converting a block chord to an arpeggio is referred to as arpeggiation.
Arrangement
An adaptation of a musical work that is different from the original version. It could be arranged for and performed by a different combination of voices or instruments, or arranged or performed in a different musical style.
Articulation
The way a note is sung or played. See accent, legato and staccato.
Atonal
Term used to describe a musical work that has no clear tonic or tonal centre.
Augmentation
Lengthening the durations of all the notes in a melody by the same factor (e.g. doubling).
Augmented
May refer to:
• interval: a major or perfect interval that is widened by one semitone (e.g. C-E♯)
• triad: a major triad with the fifth degree raised by one semitone (e.g. C-E-G♯).
Backing Riff
Short, repeated musical idea making up part or all of the accompaniment for a vocal or instrumental melody. Most often referred to in Contemporary Music and consisting of percussion, bass and rhythm (guitar or keyboard outlining the harmony/chords).
Balance
The consideration of the volume of voices and/or instruments in a musical work or ensemble to achieve an overall sound that is clear. For example, accompanying parts may be softened to ensure a lead part can be clearly heard.
Bar
The pitches, rhythms and rests occurring between two bar lines on a musical staff. The length of a bar is usually determined by the time signature/metre. Also referred to as measure.
Bar Line
Vertical lines that divide the musical staff into bars of certain length, usually in accordance with a time signature.
Bass Clef
The clef used by lower instruments/parts, also called the F clef as it indicates the location of the F note on the staff.
Beat
The unit of measurement of rhythmic pulse in music. Beats are organised and emphasised according to time signature and tempo.
Binary
Organisation of a musical work into two contrasting sections (AB), both of which are usually repeated. The sections can be the same length (simple binary: AB) or different lengths (extended binary: AB/AB). A small part of the A section may return (rounded binary: A repeated, B repeated but with part of the A section following the B repeated section.)
Blend
The adjustment of the timbre of different voices/instruments within an ensemble, in order to achieve a group sound in which no one part dominates the others.
Block Voicing
Accompaniment where harmony notes move in parallel with, and usually below, the melody notes to create two- to four-part harmony. Notes are played simultaneously (block), rather than one at a time (arpeggiated). Chord rhythm is either on the strong beats or matches the rhythm of the melody. Most often referred to in Jazz.
Blues Scale
A six-note scale, comprising a minor 3rd, perfect 4th, augmented 4th/diminished 5th, perfect 5th and minor 7th (e.g. C E♭ F G♭ G B♭). This scale is prevalent in Jazz and Contemporary Music.