There are more than a band with that name:

1. Cadence is a melodic hardcore/metalcore band from Yuba City, California. Their debut EP "Earth Abides" drops September 20th via Crown and Anchor Records.
"A collection of four young musicians coming from a wide array of musical backgrounds, Cadence’s eclectic tastes blend together to forge a creative bond. The combination of their efforts results in fusions between intricate patterns, progressive, straight to the point, Hardcore."
http://www.facebook.com/cadence530
https://www.facebook.com/crownandanchorrecords

2. Chris Daughtry's band before he formed Daughtry. The band released an album in 1999: "All Eyes On You".

3. http://www.cadence-unplugged.com/ Four-man a cappella band from Canada.
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