after the lesson, jacobus claassen and jason barnard have to practice, practice, practice. demanding juggling number is part of the current stage program. after a break due to the pandemic, the troupe can finally perform in front of a live audience again. for jacobus claassen, the live performances create a very special bond between the audience and the artists. jacobus: every time when i am on stage, i make people feel how i feel. i just express the way i feel at that moment. so, if i feel lots of love, i make people feel the love. and that's why audiences, they always seem to scream, or they would stand up and have a lot of energy after a performance. reporter: an overdose of euphoria and endorphins. jacobus claassen has already been able to share this experience with fans all over the world. the zip zap circus has already taken him from the small south african town of paarl to numerous countries. he's performed in front of tennis stars roger federer and andy murray, and even at the white house during barack obama's term. jacobus claassen has come a long way. but to get t