Before becoming well-known, he and Ryan Key worked at Chili's. At first, Mackin was only asked to play violin on a few Yellowcard songs by high school friends (and later bandmates) Ben Harper and Longineu Parsons. After that, the band decided to keep Mackin as a permanent member. He has gained fame in Yellowcard concerts for performing backflips and he enjoys listening to classical music, Bach being one of his favorite composers. He is also known by Yellowcard fans as being something of the band's funnyman.
Mackin is also known well by his "Mohawk" hair style and his energetic personality during some of Yellowcard's concerts and music videos. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply..
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|The Energy (Album Version) (Feat. Sean Mackin of YELLOWCARD)|
|The Well Below The Valley|
|The Well Below The Valley (OST Сёстры Магдалины)|