Seek a common soundtrack (light music) and a scenery propaganda film.

Piano music (in order, only recommend what you like, and the landlord must listen to it one by one);

Canon (personal favorite, the romance of Pa hubbell)

Overture to Death (fantastic story, super nice)

City of the Sky (Joe Hisaishi)

Love is (daydreaming, the classic of daydreaming, much better than tears)

Anne's Wonderland, Barcelona at night (Bandari)

Katrina by the Water, Whispering in Autumn, Dedicated to Alice, Love Memorial, Starry Sky, Romeo and Juliet (Piano Prince clayderman)

Songs from the Secret Garden (Mysterious Garden)

Kissing rain (Li Runmin)

A dream of a sundial (Kevin Kern)

/Chariot of Fire (vangelis)

Scottish bagpipes:

Next to Sally Garden/Next to Sally Garden (Johnny Maiden)

And the piano version.

Add one more thing I just heard:

Requiem sonata (beautiful hymn accompanied by violin)