2019年4月30日，ViuTV以及260名粉絲為姜濤舉行20歲生日會。6月10日第一次演出電視劇《退休女皇》於ViuTV播放，6月11日推出首支個人單曲《一號種籽》，7月11-12日於Music Zone@Emax將舉行一連兩場個人迷你音樂會。由於反應熱烈，主辦機構決定加開7月26日一場。
On April 30, 2019, ViuTV and 260 fans held a 20th birthday party for Jiang Tao. On 10 June, he will perform his first TV series "The Retired Queen" on ViuTV, and on 11 June, he will release his first solo single "No. 1 Seed", and on 11-12 July, he will hold two solo mini-concerts on Music Zone@Emax. Due to the overwhelming response, the organisers decided to add an additional event on July 26.