Records are music discs that you can play for your dogs. In the original Nintendogs, the records can scare your dogs, make your dog angry, reset your dogs' mood, or convince them to bark along. In Nintendogs+Cats, the records can make your dog do a specific dance routine, depending on the record, or lull your pet(s) to sleep. A few records are exclusive to certain game versions (In Nintendogs they are called Archie's four secret records), for example, the Shredded Fur Record is exclusive to Labrador and Friends.
Note: Your pet(s) will only do these activities if you are playing the record with it showing on your screen- your dog will act normal if the record is being played in the backround.
A few records are-
Surprise Beat Record (N+C)
Surprise Record (N)
Dog & Cat Record (N+C)
Classics 2 (N+C)
Waves Record (N)
There are many more records to be unlocked.