There are 12 Trophies that can be collected.

Bronze

Wild Desire
5-Star 'Ring of Fire' as a Vocalist on Hard or harder

Country Boy Drum Roll
5-Star 'That's How Country Boys Roll' as a Drummer on Hard or harder

It's Been A While
5-Star 'Kiss a Girl' as a Guitarist on Hard or harder

Ride the Groove
5-Star 'Ride' as a Bassist on Hard or harder

Giddy On Up
Earn more than 1,000,000 points in a single song

The One You Lean On
Hit all unison bonuses in any song with Guitar, Bass, and Drums

Neon Dreams
Maintain deployed Overdrive for 90 seconds

Worked All Week
Score 100% notes hit with any instrument in 'Sideways' … on the weekend.

Silver

Awful Beautiful Career
Complete Solo Tour on any difficulty

International Heartachers
Complete Band Tour on any difficulty

Ain't Settlin'
Earn 80 stars across all songs in Solo or Band Tour

Gold

Perfect Play
Earn a gold star on any song

http://www.ps3trophies.org/game/rock-band-country-track-pack-2/trophies/