Mental attitude is a big part of physical fitness, and the right playlist can motivate you to reach the next level. Master trainer and Nike Türkiye head coach Mehmet Çetin has made a playlist of tunes that get his blood pumping, including classic rock from Led Zeppelin, Queen and AC/DC—with more recent shots of adrenaline from innovative LA artist Troi Irons and New York dance-rockers The Score.