A cappella music is solo or group piece which is played or intended to be played without the accompaniment of any instruments. The name a cappella comes from Italian and literally means ‘like the chapel’, as the name suggest, a cappella music has its roots in religious choir music; but developed over the centuries and became central to more modern movements such as the barbershop and doo wop vocal harmony genres.

A musical term from classical music, an Acciaccatura is played by quickly playing a short grace note immediately before the principle note. In practice, this is normally a whole step or half step either higher or lower than the principle note. In modern classical music this could also be referred to as a very short appoggiatura.

The term ‘Allegro’ refers to the tempo of a piece of music and denotes music which is to be played at a ‘brisk’ or ‘fast’ pace. In classical music, it is common to see words such as Allegro used to dictate musical tempo, as opposed to other time indications. Allegro is generally measured to be between 120-168 BPM (Beats Per Minute).

Amplifiers are devices which are used to amplify the electrical signal produced by an instrument, so that the signal is capable of driving a loudspeaker, drastically boosting the volume of the instrument's output. Amplifiers are commonly used in conjunction with guitars, but amplifiers for a variety of other instruments do exist - for example, a keyboard amp.

Category | Amplifiers

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A classical music term, appoggiatura is an embellishing or grace note of any length which is nonharmonic and played before a resolving harmonic note. A type of appoggiatura that is extremely short in terms of note length is an acciaccatura.