Jay-Z [ tickets ] put an emphatic point on his well-publicized comeback Saturday (11/18), completing a whirlwind one-day tour that saw him give seven concerts in seven different cities in less than 24 hours.

The rapper and Def Jam Records president, whose return to the recording fold will be cemented by Tuesday's (11/21) release of his new album, "Kingdom Come," launched the performing marathon, dubbed "The Jay-Z Hangar Tour," as a splashy re-entrance to the career he left following the release of 2003's "The Black Album."

"I'm crazy," he told MTV News on Saturday during the trip. "I'm trying to bring some excitement back to the game."

The rapper hit seven cities on the jaunt, kicking off with a 6 a.m. show in Atlanta, then traveling to Philadelphia, Washington, DC, New York, Chicago and Los Angeles, before ending up a little under 24 hours later in Las Vegas. The tour, which was sponsored by Cingular Music, consisted of a series of 30-minute performances in each locale.

Cingular customers with video-capable hardware were able to watch the shows live on their cell phones. Two contest winners were selected to travel with Jay-Z on his G5 jet and witness all of the performances around the country.

The tour, which included Jay-Z's entourage plus tour-mates Memphis Bleek, Swat and DJ Green Lantern, kicked off before dawn in Atlanta, where the rapper energized an early-rising crowd at Atlanta's Centerstage. From there is was on to Philadelphia for a 10 a.m. concert at The Electric Factory; Jay-Z next paid a visit to Washington, D.C.'s Howard University, where he was greeted by 1,500 fans, according to published reports.

The rapper, whose real name is Shawn Carter, then hit New York for a 4 p.m. show. "What's this, five?" he asked a VH1.com reporter after finishing the 30-minute set. "No, four? Five? Four! I'm starting to lose track."

After the Chicago segment, the performer and his crew traveled to Los Angeles, where the midnight performance at the Wiltern LG reportedly was briefly interrupted by a man who jumped on the stage. The unidentified man was quickly apprehended and tossed out of the venue.

Finally, the tour proceeded to its final destination, the Tao Nightclub in Las Vegas. The 3 a.m. performance reportedly featured an extra-long setlist that included many songs not included in earlier stops, such as "99 Problems" from "The Black Album."

"It's been a real long day," Jay-Z told the audience during the set, according to press reports. "We absolutely had to make sure we ended this in Las Vegas."