Music
Qibao Street
Chaoyang
Stock Exchange in Episode 1
Il Barbiere di Siviglia: "Largo al factotum"
Christmas party at the Shen family mansion
Harlem Stride
Shen Jinzhen plays piano at the party in episode 2. The piece in the soundtrack is Harlem Stride by Benedict Bridgen. This was released in 2021, and is written in the style of mid-1920s "stride" piano, an extension of Ragtime by way of Kansas City Jazz.
Flyaway Flapper
In the sequence where Wei Ruolai is becoming increasingly more drunk in episode 3, the soundtrack is playing Flyaway Flapper by composer and trombone player Daniel Barda, from the album 《Swing Days》, released in 2012.
Rosemary Coffee
Dixie Jubilee
When Wei Ruochan enters the Coffee shop in order to meet his contact in episode 4, the music playing is Dixie Jubilee by Daniel Barda, also from his album 《Swing Days》
New Show Club
Dixie Jubilee
When Zhang Mingquan is throwing his weight around, getting drunk in episode 9, the music playing is once again Dixie Jubilee by Daniel Barda.
Restaurant in episode 11
The first movement of Moonlight Sonata by Beethoven is playing at the beginning of the restaurant sequence.
The first violin solo is ???
The second, Jinzhen calls "The Lark," so far unsuccessful identifying it with Shazam.
Jinzhen plays The Lacrimosa from Mozart's requiem in D, K 626, in a piano transcription, for WRL after the meal.
Bar in episode 24
Requiem in D Minor, K. 626: Lacrimosa (Training Track for Bass -3)
On the street after, STN and WRL are drunkenly singing "Farewell" (送别) and then it fades into a version of the song with a children's choir.