Catching up:

-Tiesto's next album, In Search of Sunrise 5 - Los Angeles, gets released April 25. We assume this is the one BT helped produce at his L.A. home. Dutchman Tiesto (above) celebrates the release Sunday at Mansion in Miami, where, a press release notes, "copies of the album will be available for purchase to the public on this one night only!"

-LA.com reports there's been a police crackdown on the Hollywood club scene.

-Nerds go deep: An MIT professor has opened a "House Music Project" interactive exhibit at the school. According to the MIT News Office: "Disco, the black music of economic uplift, racial assimilation and 'good times,' gave way to two main strands of electronic music: house and hip-hop," explained [Professor Thomas] DeFrantz, whose research centers on African-American performance. "House" music, which mixed prerecorded pieces together and added the voices of singers, the DJ, and often live organ, opened up new possibilities for black music, he said, but has been passed over in many histories of popular music in the United States. Uh-huh. Professor John Frink added, "With the flubber and the four-four beats exponentially bangified with the glavens on the dance floor and the not-everybody-understanding this body thing."

-The fourth-annual Club World Awards are set for Friday at crobar24 @ Nocturnal in Miami, with DJs Are Alive! hosting. Expected to be there: Danny Tenaglia, the Murk boys, Tommie Sunshine, Sandra Collins, DJ Rap, Colette, Junior Sanchez, Superchumbo, VJ Vello Virkhaus and more.

-Techno artisan Carl Craig has a new Friday club night in Detroit called Demon Days.

-Sound Tribe Sector 9 is playing at the West Hollywood, Calif., House of Blues April 8.

-California's own Jay-J Hernandez is spinning at the MTV Australia Video Music Awards April 12 at the Sydney Super Dome.

-Orange County's Speaker Junkies unleash Tekno Punk on acropolisRPM April 25. The act is performing at Rain in Miami on Monday.

-Electrolush, an Om Records compilation featuring "the very best in minimal and electro nouveau" gets released April 25.

-Philadelphia-based electronic-rock band Lotus releases The Strength of Weak Ties May 16 on Harmonized Records. The band's sound is described as "livetronica."

-Australian e-music trio Infusion hits the North American road:

March 25 – Miami, FL @ Ultra Music Festival / www.ultramusicfestival.com
March 25 – Miami, FL @ Buzzlife at Metropolis
March 31 – Houston, TX @ Clark's
April 01 – Jacksonville, FL @ Ocean Club
April 06 – Vancouver, Canada @ Plaza
April 07 – Seattle, WA @ Element
April 14 – Washington DC @ Nation
April 15 – Atlanta, GA @ Eleven50
April 19 – Austin @ Red 7
April 20 - Kansas City, MO @ Kabal
April 21 – Cleveland, OH @ Metropolis
April 22 – Chicago, IL @ Vision
April 29 – Indio, CA @ Coachella