The cover of the album 'The Waltz Collection' features a stylized illustration of a couple dancing a waltz. The man is on the left, wearing a black suit and bow tie, and the woman is on the right, wearing a pink dress with a white ruffled collar. They are positioned in a dance pose, with the man's left arm extended and the woman's right arm extended. The background is a gradient of pink and orange, and the title of the album is displayed in white, stylized font at the top. The word 'MEMO' is visible at the bottom right corner.