What is the difference between the Sivananda Yoga and Jivamukti Yoga?

Sivananda Yoga is something meditative. The yoga poses are held longer. There is a variation of Sivananda Yoga, namely Yoga Vidya. As the yoga exercises are adapted to the very strong level of the participant. In the yoga positions Jivanmukti scarcely be held. And there is usually music playing in the background.