Complex sentence: On March 5th 2007, the band released a limited edition vinyl/download single called "The Sega Method" to gain more awareness and began their first major solo tour to promote the new single and forthcoming album.
Split into simpler sentences: On March 5th 2007, the band released a limited edition vinyl/download single called "The Sega Method" to gain more awareness. Shortly before that, the band began their first major solo tour to promote the new single and forthcoming album.