 A DVD which recorded the showcase of "Heartbeat" in Ho Chi Minh City on 20 April 2015, before the release of the two live shows in Ho Chi Minh City and Hanoi on 22 and 26 April 2015 respectively, to recreate the atmosphere of "Heartbeat" with highlight performances throughout the two shows, had sold 3,600 copies in just 4 hours of debut.The DVD gathered more than 1 billion and 80 million VND as well as reached the milestone of 10,000 copies in a month.On 12 April 2015, Mỹ Tâm was the last to confirm to become a coach on the third season of "The Voice of Vietnam" alongside Thu Phương, Tuấn Hưng and Đàm Vĩnh Hưng.