Answer
From 2015 to 2016, Sơn Tùng MTP embarked on the M-TP Ambition Tour, which was his first concert tour. The tour included 24 concerts in 16 cities in Asia, including Vietnam, China, Singapore, Malaysia, and Indonesia. The tour was a huge success, and it helped to establish Sơn Tùng MTP as one of the most popular singers in Southeast Asia.