In music theory, a major scale and a minor scale that have the same starting note (tonic) are called parallel keys and are said to be in a parallel relationship. [1][2] For example, G major …

What is a Parallel key? A Parallel key is a connecting element that transmits torque. It is an elongated component, usually made of metal, that sits between two parts like a “driver” – for …

Cut a custom length to transfer torque from shafts to components such as gears and sprockets. Choose from our selection of parallel keys, including rounded machine keys, machine keys, …

Mar 21, 2024 · Two keys are parallel keys if they are based on the same note but are different in their quality – one is major, and one is minor. For example, C Major and C Minor are parallel …

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Parallel keys are pairs of major and minor scales that share the same tonic note but differ in quality. This relationship is significant as it allows composers to explore contrasting moods and …

Aug 13, 2025 · In mechanical transmission and assembly, the parallel key is a small yet crucial component that determines whether parts operate securely. Installed between the shaft and …

Parallel keys are the major and minor using the same tonic, for example C major and C minor are parallel keys. Sometimes parallel keys use enharmonic equivalents, to simplify the key signature.

Parallel Keys (or homonymous keys) are those that have the same tonic (fundamental note – 1st degree) and a different mode (major or minor). For example, the parallel key of C major is C …

What is a parallel key? Parallel keys or feather keys are a type of mechanical part used to fasten two mechanical components together. The most common example is rotational motion in a …