My dad likes Supertramp, Queen and british old acts (but excluding The Beatles)
My mom usually likes what is a current hit, like getting played on radio all the time if it's national (brazilian music) or international, but she likes Shakira a lot, not enough to buy her **** or see what she's doing, but usually if there's a video of Shakira going on she'll stop to watch...
My dad still listens to classics that made up his childhood. While my mum follows on the latest music and it's my job to update her cellphone with the latest songs. She loves Rihanna, Kelly Clarkson and Usher mostly.