Common swift that resemble a crescent or a boomerang. Their call is a loud scream in two different tone pitches, the higher of which issues from the female. They often form 'screaming parties' during summer evenings, when 10–20 swifts will gather in flight around their nesting area, calling out and being answered by nesting swifts. Larger "screaming parties" are formed at higher altitudes, especially late in the breeding season. The purpose of these parties is uncertain, but may include ascending to sleep on the wing, while still breeding adults tend to spend the night in the nest. Swifts may nest in former
In the Evenings Out There tracks, duos, and trios, with only one substantial group track, so the emphasis is on intimate communication across small but significant musical distances". In the Evenings Out There In the Evenings Out There is an album by pianist Paul Bley, bassist Gary Peacock, drummer Tony Oxley and saxophonist John Surman recorded in 1991 and released on the ECM label in 1993. The Allmusic review by David R. Adler awarded the album 3 stars stating "This is a remarkable encounter between four top-notch musicians... Although the record falls solidly within the "free jazz" category, it has a mysteriously soothing, meditative quality.