FreeOnSmash writes, "It’s been three months since DeJ Loaf‘s debut #AndSeeThatsTheThing EP released back in July. One of the standout records from the project was the Big Sean assisted single “Back Up.” Today, the Detroit connection is brought to life through the release of the music video for the popular single. For the video, DeJ heads to the skating rink to host a party, where plenty of fun ensues. The Detroit player unfortunately doesn’t make it to the party, but does come through to deliver…