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Bebop enclosures

1a permalink

The phrase below demonstrates a foundational bebop pattern called ‘enclosures’. There are a couple of them here, marked with brackets:

The basic idea is that you move around a target or destination note, starting a whole- or half-step below then moving above, or vice versa. An enclosure can have three notes, or you can extend the melody with additional notes, before arriving at the destination note.

The most typical, idiomatic enclosure involves the notes a half-step above and below the target note, but this need not always be the case, such as in the second enclosure above.

The harmony in the above example is a classic ii-V7-I (or V-I) cadence. We’re in F major so the ii is G minor 7, the V7 is C dominant 7 and the I is F major 6.

Try playing it in all 12 major keys.

2 permalink

Another phrase containing enclosures:

Practice tip: hold down a chord, say Gm7, and work out your own enclosures over it.


3 permalink

Another bebop phrase. Can you identify the enclosures? Click the Annotations switch to reveal them.

Note the first enclosure, around the F sharp, which has been extended to five notes.


Practise tips permalink

A great way to improve your command of bebop and improvisation in general is to take a phrase and modify it melodically and rhythmically and see how it sounds against different chords.

1b permalink

Here’s example 1a but played in double-time (sixteenth notes) and offset by a beat, set against B♭6, Cm7 and F7:

Bebop figure 2a - Enclosures

1c permalink

Here’s the figure again, followed by another bebop-esque figure to end the phrase. Try playing it in all twelve major keys.

1d permalink

The same figure repeated in a descending sequence:


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