January 19, 2018. According to the query on the Kugou music software: Zhao Lei's song "Nineteen Years Old" was released on January 19, 2018. The accompaniment version has a highly recognizable voice and a simple folk atmosphere. It has been well received by fans as soon as it was released online. The lyrics of "Nineteen Years Old" say: The swimming pool where we first met, the Kangming revolving door, the wide street intersection, the stop under the traffic light and other elements brought Zhao Lei back to the ignorant years when he was 19 years old.