Do these count as extracuriculars?

<p>So I don't really have much time for volunteering and stuff, but do these count as good enough extracurriculars for UC Colleges?</p>

<p>Violin (8 Years) - Just played in school's orchestra [Ongoing]</p>

<p>Table Tennis (3 Years) - Have a coach and will go to public tournament in Nov. [Ongoing]</p>

<p>Karate (for 5+ years as a child) - I have already quit.. [Ended]</p>

<p>Making YouTube Videos [Not Professionally, but more of a hobby. have 250,000+ total views]</p>

<p>Are these good enough, because I feel as if my extracurriculars are lacking...?</p>

<p>Info: Senior graduating 2011
UC GPA [3.5] Overall GPA [3.6]
SAT 1910 [CR-640 M- 670 W-600]
SAT Bio 700 SAT Chem 730 SAT Math Level 2- TBA</p>

<p>Applying to pretty much all UC's (want to get into Irvine, Davis, San Diego)</p>