For dramatic effect and variety, a jazz rhythm section may “lay out” while a soloist plays on. The absence of the other players allows the soloist to explore in a freer way, without having to stick to the chord changes.

improvisation:
solo breaks

solo breaks

soloing on
the changesimprovisation_soloingonthechanges.html
solo breaks
trading phrasesimprovisation_tradingphrases.html
embellishing 
the melodyimprovisation_embellishingthemelody.html
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