Complex sentence: In June 2007, the group went on an acoustic tour alongside Morning Light and Just Surrender, during which videos of the band performing "Stay Awake (Dreams Only Last for a Night)" were posted online.
Split into simpler sentences: In June 2007, the group went on an acoustic tour alongside Morning Light and Just Surrender. While on this tour, videos of the band performing "Stay Awake (Dreams Only Last for a Night)" were posted online.