This CD by Nu-Blu offers 10 songs that highlight the progressive, hard-driving bluegrass picking and harmony talents of this four-member band. The North Carolina-based ensemble is composed of Carolyn Routh (vocals/bass), Daniel Routh (vocals/guitar), Levi Austin (vocals/banjo) and Austin Koerner (mandolin/shaker egg). The ace guest artists who performed with Nu-Blu on “Ten” are Jim VanCleve (fiddle) and Ron Stewart (fiddle). Songs on “Ten” (so named because the band recently celebrated its 10th anniversary) move between a bluegrass and country–acoustic sound, and include “Giant Squid,” “Eddie’s Garage” and “Trains I Didn’t Take.” Recorded at Red Squared Audio in Siler City, Rural Rhythm label. The CD sells for $15; digital download is $9.99.