Parallel Key vs Relative Major and Minor

Side-by-side comparison of two musical terms.

	Parallel Key	Relative Major and Minor
Definition	A major and minor key that share the same tonic note but have different key signatures, such as C major and C minor.	A pair of keys — one major, one minor — sharing the same key signature
Category	keys	keys
Pronunciation	/ˈpærəlɛl kiː/	REL-ah-tiv MAY-jer and MY-ner
Origin	English (theoretical term)	English
BPM	—	—
Synonyms	tonic major/minor parallel major parallel minor	relative key
Antonyms	relative key	parallel key
Usage	The composer shifts from D major to its parallel minor, D minor, darkening the mood instantly.	The piece begins in A minor but drifts seamlessly into its relative major, C, for the second theme.

Definition: A major and minor key that share the same tonic note but have different key signatures, such as C major and C minor.
Category: keys
Pronunciation: /ˈpærəlɛl kiː/
Origin: English (theoretical term)
Synonyms: tonic major/minor parallel major parallel minor
Antonyms: relative key
Usage: The composer shifts from D major to its parallel minor, D minor, darkening the mood instantly.

Definition: A pair of keys — one major, one minor — sharing the same key signature
Category: keys
Pronunciation: REL-ah-tiv MAY-jer and MY-ner
Origin: English
Synonyms: relative key
Antonyms: parallel key
Usage: The piece begins in A minor but drifts seamlessly into its relative major, C, for the second theme.