By Yannick Ilunga from CD Baby's DIY Musician. When it comes to online promotion, there is a social media that is often ignored by musicians: Google Plus. While its potential has been recognized and utilized by many entrepreneurs around the world, for quite many musicians Google Plus is still unexplored territory. However, while it is true that it may be trailing behind Twitter and Facebook in popularity and usage, Google Plus offers incredible opportunities for promotion and music marketing through the so-called Hangouts on Air. What makes Hangouts on Air so cool is the fact that they can easily be...

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