Zhang Lei (center) holds up the trophy as he is crowned the winner of the fourth season of reality music talent show Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo] 

Zhang Lei (center) holds up the trophy as he is crowned the winner of the fourth season of reality music talent show Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo] 

Zhang Lei performs at the finals of the fourth season of reality music talent show Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Zhang Lei (right) and his coach Na Ying perform at the finals of the fourth season of reality music talent show Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Finalists of the fourth season of reality music talent show Voice of China Leon Lee (left), Zhang Zitong (second from left), Zhang Lei (center), Bei Bei (second from right) and Tan Xuanyuan (right) perform at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer-songwriter Jay Chou speaks with Zhang Lei, winner of the fourth season of Voice of China during the finals last night. [Photo/Weibo]

Singer Bei Bei performs during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer Zhang Zitong performs during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer Tan Xuanyuan (left) and his coach Harlem Yu perform during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer Tan Xuanyuan (left) and his coach Harlem Yu perform during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer-songwriter Jay Chou performs during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer-songwriter Jay Chou performs during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Leon Lee, one of the finalists of the fourth season of Voice of China , performs at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer Bei Bei and her coach Wang Feng perform during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]

Singer Bei Bei and her coach Wang Feng perform during the finals of Voice of China at the National Stadium in Beijing on Oct 7. [Photo/Weibo]