The arrangement builds up from low piano notes integrated with percussion, culminating in a powerful and unyielding atmosphere where one rushes forward fearlessly and uncompromisingly despite the countless obstacles in pursuit of countless possibilities.

[3] "Waiting" is a cover of the song by Xue's good friend Zhao Yingjun, who passed away in February 2021.

[4] Zhao had expressed the wish of having an album of cover songs to hear his music through other artists' interpretation; Xue launched the project in August 2020 and the album A Song, a Story was released on September 17, 2020.

[8] Countless was number 2 on Tencent Music's 2022 Year-End Chart which ranks the albums based on the sum of the five highest scored songs on each album, and "But" was named one of the Top 10 Hits of the Year.

[9] On KuGou Music's year-end chart, Countless was among Top 10 Popular Albums and Xue was named one of Top 10 Artists of the Year and the Favorite Artist of Post-00s Generation.