My 18 month old twins and I just completed a 10 week session with Ms. Sarah. It was such an enriching learning experience for them and me! There were 6 other moms in the group with children the same age as mine. The duration of the class was 1 hour. Each week, Sarah brought different musical instruments and learning tools out such as bells, chimes, tambourines, a big drum, and a parachute to name a few. She encouraged the moms to sing and dance with their children. I will admit I was shy at first but it really helped me break out of my shell. A cd with toddler songs is included in the package. I have it my car on repeat! My kids love it! All of the musical items were properly sanitized each week too. The business address listed is for San Clemente, but she can teach anywhere in Orange County if you get a group of moms together. Our class was in Newport Coast. She also offers make-up classes in Lake Forest which is convenient! Both of my kids sing and dance now because of this music class and their interaction with the other kids! I will most likely sign up for another session after the new year!