Single does not handle the meet and greet or Q&A portion of the event. If you did not receive an email regarding the meet and greet, or for questions regarding that, the Q&A, etc., you will need to reach out to the artist's shop directly. Their contacts can typically be found at the bottom of their store page. Additionally, please check out the artist's shop page. Meet and greet information can usually be found in the product description section as well.