Blippi and Mica visit a musical studio in New York City where they meet Sonia de los Santos, a professional singer. Sonia teaches them about musical instruments, warms up their voices, and performs her song "Joy". She also invites Blippi and Mica to sing with her on stage and teaches them the Spanish word for "joy", which is "alegría". The video ends with a spelling exercise.
1. The video is about music.
2. Three people named Blippi, Mica, and Sonia are featured in the video.
3. Sonia is a professional singer who performs a song called "Joy."
4. Mica plays several instruments including guitar, harmonica, and jarana.
5. Blippi learns how to warm up his voice and play the ukulele.
6. All three sing and play instruments together on stage during the performance of "Joy."
7. The video suggests that viewers can find more videos from Blippi and Sonia by searching for their names.