Exchanged tutoring: Wanted German vs Offer Chinese, Math/Stat, Violin

What I need for tutoring:
German native speaker to practice/learn introductory German.

What I can offer to tutor:
Math: beginning to college level;
Stats: beginning to graduate level;
Chinese: native speaker for conversation, grammar, composition, translation, etc;
Violin: beginning to intermediate level.

Please contact me if you are interested.