Martin Garrix making the most of his first time on the Summertime Ball stage This image appears in the gallery:One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015 94. Martin Garrix making the most of his first time on the Summertime Ball stage Picture: Joe Okpako 171 images See the full gallery: One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015