catchy — easily remembered, especially because of being particularly appealing or memorable

a young musician strums an acoustic guitar while singing into a microphone with passionate expression. Her melody flows through the air as musical notes seem to dance around her performance. The catchy tune immediately grabs everyone's attention as people stop their conversations to listen. Audience members begin nodding their heads to the rhythm and start humming along after hearing it just once. Children and adults alike smile widely and tap their feet, clearly enchanted by the memorable melody. Some people pull out their phones to record because the song is so instantly appealing. music that is easily remembered because of being particularly appealing and memorable