You can stream kids' music at music service sites such as Jango.com and Pandora.com. Both these websites, as well as their accompanying apps, feature the Kidz Bop radio station.
Disney.com and Nick.com also feature music from their artists. Some of this music is for younger children, while some is geared more toward a teenage audience. KidzBop.com features "music by kids for kids." All of the music featured at the site and radio station features young people performing songs that are geared toward a young audience. Both Jango and Pandora offer stations that cater directly to an even younger audience, featuring music specifically for toddlers.