Adding to the Crescent City feel are the Rebirth Brass Band, which Mr. Ruffins cofounded and played in for a decade; and New Mardi Gras Sounds, an amalgam of Mardi Gras Indian parade music and contemporary electronics conceived by the alto saxophonist Donald Harrison Jr. 3 p.m., Central Park SummerStage, Rumsey Field, 72nd Street and Fifth Avenue, (212 360-2777; no cover.
Its sound, an upbeat amalgam of jazz-inflected funk, will ring familiar to any Q-Tip fan, or even to the average hip-hop nostalgist.
The sound is an amalgam of all and right, which used to sound like "aw-rite" but now is compressed into a sliding "a'ight," as the teen-slanguist Fred Lynch transcribes it.
What came to be known as the Dunedin Sound was an amalgam of jangly garage-pop invested with a spooky, otherworldly touch - as if being on the other side of the world meant the music was played upside down.
Soft Machine was the best-known representative of a lively rock outpost that produced bands like the Wilde Flowers, Caravan and, a bit later, National Health, where the signature sound was an amalgam of psychedelic rock and jazz.
CouCou On Mars and Digital Hug both sound like an amalgam of Stereolab, Oneohtrix Point Never, and Cornelius, if those musicians utilized custom keyboads modulated by iPhones, water as a drum machine, and iPad facemasks that emit sounds and samples when touched. .
The concept sounds like an amalgam of ideas already in practice — such as Facebook "likes," or tools used to vote up stories at Reddit, or most-emailed lists.
"All You Need Is Kill," which sounds like an amalgam of "Groundhog Day," "Source Code" and "Starship Troopers," was directed by Doug Liman, the man behind "The Bourne Identity" and "Mr. and Mrs. Smith".
In a pointed contrast to its last studio album, "Evil Urges," which was made in a top-flight New York studio with state-of-the-art techniques, it delivers a distillation of the band's sound, a ruggedly reverberant amalgam far easier to recognize than categorize.
Even Losing You, the crowning glory of 2012's Hynes co-produced True EP, has a sonic restlessness to it that makes it hard to pin down, while that sound – a sort of amalgam of late-80s pop and low-slung R&B – has since cropped up on albums by the likes of Carly Rae Jepsen.
