The composer marks the fifth anniversary of Hurricane Katrina with a performance of his song cycle Katrina Ballads at Le Poisson Rouge tonight. Download his stirring piece "Dennis Hastert: 9.1.05."

The venturesome pianist will perform at Le Poisson Rouge tonight. Download his treatment of an excerpt from composer Pierre Boulez's "Piano Sonata No.3."

This promising saxophonist and his band will be tearing it up at Dizzy's tonight. Download his feisty track "Free Man."

The North Carolina-based orchestral pop group play Mercury Lounge tonight. Download their grand track "Walk Around the Lake."

This jazz organ icon will be playing with his trio at the Jazz Standard all weekend. Download his smooth slow-burner "Spiral."

This Brooklyn urban pop-meister plays Webster Hall Friday. Download his take on the Nat King Cole tune "Calypso Blues."

This new quartet formed by longtime members of California's indie rock scene perform at Bowery Ballroom Friday night. Download their quirky, dreamy track "I Heart California."

The Parisian cosmopolitan funk band play a free show at Lincoln Center's David Rubenstein Atrium tonight. Download the Afrobeat-influenced track "Bê Africa."

The airy pop duo made up of Sean Lennon and Charlotte Kemp Muhl performs tonight at Joe's Pub. Download the delicate "The World Was Made for Men."

The blues singer and pianist performs at Rockwood Music Hall tonight. Download her freewheeling new track "Ain't Got No Troubles."

The Sierra Leonean modern bubu music king performs at Zebulon tonight. Download his infectious, upbeat track "Eh Congo."

The ethereal indie pop-maker plays Pianos tonight. Download his otherworldly track "Just Enough."

The New Jersey rabble-rousers play the NAG Benefit at Glasslands Gallery tonight. Download their raucous track "A More Perfect Union."

Last summer's surprise indie-reggae artist plays Mercury Lounge tonight. Download the freewheeling track "Let's Do Somethin' Else."

The jubilant, energetic pianist begins a stint at Blue Note tonight. Download her playful tune "Choux a la creme."

This trio of electronic experimentalists perform tonight at the Stone. Download the surreal spoken word track "He Can't Take You With Him."

L.A.'s lo-fi, synth-loving darlings play a free show at Other Music tonight. Download her new track "Am I Real?"

This homegrown outfit is reigniting the sound of Latin soul every Monday night in August at Barbes. Download their take on the classic R&B tune "Think."

The noise trio plays the Walter Reade Theater at Lincoln Center tonight. Download the Partytime remix of their track "Short Circuit."

These indie poppers have a new album out, and they'll take the stage at Mercury Lounge on Friday. Download their blippy charmer "Gold Skull."