The Pierces, courtesy. The Pierces came up through the Nashville music scene. They were a country/Southern/ ’60s AM radio-inspired sister duo, who may have gotten their first break thanks to Coldplay. The U.K. band invited Allison and Catherine Pierce to open for them on the Mylo Xyloto tour. Coldplay bassist Guy…

The Pierces perform at HP Pavilion in San Jose on April 27, 2012. Following three commercially unsuccessful albums, Alabama-born and raised sisters Allison and Catherine Pierce had decided that a joint music career might not be in-store. The following day Coldplay bassist Guy Berryman called them and said he…