Look for the ticket release dates. When you hear about a concert you're interested in, check ticket availability. Many popular concerts may sell out before you get a chance to buy your tickets. Don't assume it is sold out until you are told so by the venue. Talk to people with similar music interests as you.
The SHRM Competency Model provides the foundation for talent management throughout the HR lifecycle and helps organizations ensure that HR professionals are proficient in the critical behaviors and knowledge necessary to solve today's most pressing people issues and strategies.
SHRM store has the resources for the self study and you can see the costs there. The tests themselves are now an on line test and can be taken at your local Sylvan learning centers. Lastly, be sure the PHR is right for you. It covers more of the day to day operations in HR. If you are more involved with planning and strategy of your department, a SPHR may be of more benefit to you.