Songs feautured on Cunning Single Lady Episode 1?

The 1st song began at the moment 6:49 when Na Ae Ri talks with her friends it's the coffee scene
The 2nd is played when she and her husband are celebrating theirs 100th of marriage The 3rd song is played after 3 years of divorce when she is at her work place it began exactly at 17:54 The 4th song is played at the beach's scene when she's in the show and they film her eating alone The 5th song is played when he took her to the big house and they show a girl dancing in a sexy way exactly at 45:54 Thank You