Hi Stevo,
Fortunately for you, your target audience of musicians are likely to be high social media users, particularly Facebook and Twitter. And I can understand why you would be eager to exploit social media for maximum benefit and increase sales.
Different PR agencies will have different strategies. For example, the agency I head is running the social media strategy for a unique new restaurant.
We post on Facebook and Twitter on behalf of the company, and we have a strategy on how best to reach and interact with potential new customers.
You can also arrange for both the PR agency and yourself to post on Facebook and Twitter, for example. In this way you are both working on your social media accounts.
There are also now a number of 'social media monitoring dashboards' to insist in top-quality and refined social media campaigns. The value of social media, for example, is that if there is a UK-based discussion on Twitter about the latest Fender guitar, you can find and join that conversation, and hence (subtly) promote your products. You can even locate Twitter conversations in London on Fender guitars.
If you work with a PR/social media agency, it would be best to negotiate with them on how you'd like to move forward. Maybe try it out with the agency running your social media campaign for three months, and then review it. You may then decide to bring it in house. Or maybe your brief can be, for example, for your Twitter account to reach an agreed amount of valid followers.
Our approach to using social media for clients is to make their social media campaigns unique and creative. It is this uniqueness that can make a difference, reach customers and promote your brand. Use videos and photos if you can. These are higher value social media tools.
Always happy to advise over the phone - my direct line is 07950 337379.
Best wishes,
Adam