The Grammy-winning musician performed frequently at La Scala opera house in Milan.
Putin said authorities detained a total of 11 people, including four suspected gunmen who attacked concertgoers.
The strike occurred as crowds gathered at a concert for Russian rock band Picnic.
This week's most important music industry stories in Canada.
The company's 106.7 million paying subscribers contributed to a 39% jump in music subscriptions revenue.
After years of trying to protect physical sales, local record companies are increasingly embracing digital formats with streaming's growth.
COO Francesca Bodie-Leiweke discusses the company's international strategy as it prepares to open Coop Live in Manchester.
Though streaming continues to push revenue higher, some markets are struggling to reach highs seen in the CD era.
This week's most important music industry stories in Canada.
A decade later, an appeals court says the judge overseeing the trial made "fatal" mistakes that caused a "miscarriage of justice."