The band Pearl Jam will celebrate its twentieth anniversary by offering two concerts, which will be held on 3 and 4 September at the Alpine Valley Music Theatre in East Troy, Wisconsin, USA. In these great concerts, Pearl Jam will invited Glen Haansard, The Strokes, Mudhoney, Queen Of The Stone Age, John Doe, Liam Finn and Joseph Arthur, in addition to other great artists.

After these two concerts, Pearl Jam will tour, which will be held between 7 and 25 September, which consists of 10 concerts in Canada.  From this tour, will be donate 2 dollars each of entrance to the Vitalogy Foundation charity.

The Black Eyed Peas band played several of his most successful for all fans of the Super Bowl. The great feast was held at the Cowboy Stadium in Arlington, Texas, where the group gave a big concert where he started with his song "I Gotta Feeling".

The stage was set to half the field of Cowboy Stadium, where the group came down with the aid of harnesses. Then, the guitarist Slash joined the scenario, where he began playing the song "Sweet Child O'Mine", accompanied by the sweet voice of Fergie.

Bon Jovi did this year to collect the most money with a tour. The American band performed 69 concerts worldwide 146.5 million U.S. dollars more valuable. Calculated that the U.S. music magazine Billboard. "Of course it is something we are very proud", says singer Jon Bon Jovi. "But I do not think the public will attract many of the figures. People go to a concert because they have seen and because they liked".

Gentlemen are closely followed by U2. The Irish rockers earned "only" 131 million U.S. dollars with their tour, but had significantly fewer concerts needed to reach that amount. U2 did 22 shows with 1.3 million fans to seduce a ticket.

Katy Perry goes her fans during her upcoming tour in many ways to enjoy. The singer responds to the five senses of the concertgoers. So Katy has a number of companies in the arm taken to matching scents for her tour-The California Dreams development.

Katy Perry promises the tour to be a real spectacle. "It is great fun, very visual and all senses are involved", the singer told the British tabloid newspaper The Sun. "We look at all possibilities. It examines a number of companies such odors to the feeling of the album fit".

Perry was inspired by colleagues including Pink. "I work with the fantastic tour producer Baz. She also worked with Pink on her tour where she hung the trapeze". Perry does not know whether they are prosecuting acrobatics. "I saw Pink action and that was no ordinary rock concert. It had a lot more".