How about a karaoke machine? There are lots of options on the market, ranging from basic to more elaborate setups. You could also consider a gift card to a local karaoke bar or arrange for a private karaoke party with friends and family. Another idea would be to create a custom CD or playlist of your husband's favorite karaoke songs or have a personalized karaoke book made with his favorite songs and artists.
Or you can get him a star map with the date of your anniversary.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.