The Top 10 Workout Songs For April Fort Wayne, IN – April 1, 2013 – Collaborations reign in this month’s workout playlist. Justin Bieber lent Will.I.Am a hand on the latter’s latest. Italian super producer Alex Gaudino turned the mic over to Jordin Sparks. Lastly, Pitbull and Christina Aguilera urged folks to seize the day–while seizing, for themselves, the hook […]