Choose your P2P service wisely. This can be your key to getting the music you want. Read up on reviews and talk to people you know to find the best service to suit you. Look for testimonials by other users to make sure that you won't regret using any particular service.

If you purchase your music through iTunes, pay the extra cash for iTunes Match ($25 per year). This music service gives you access to your entire library on the web - not just the songs you've recently purchased. iTunes Match looks at all of your songs and matches them with a cloud version. It's an excellent way to increase your cloud-based music library.

Check out sites online which aggregate deals on sites like iTunes and Amazon when it comes to music. For example, DealNews provides up to the minute updates on what is on sale on many different sites, including those which sell MP3s. You can even subscribe by email for alerts.

Know what tunes you already own prior to making a purchase. Doing this is a complete waste of money. Search your download history and music library to double check what you've already 2 year old Hendrix Star Rocks Guitar bought. Check iTunes for great songs. Pretty much any song can be found on iTunes, and it's rather simple to get them all onto an iPod or iPhone. When you purchase music from iTunes, you usually get fair prices.

If you are using Android devices, consider using Google's music subscription service. In order to use it, you subscribe to the all access service that is designed specifically to link up with your device. At around $10 per month, it's a smart way of getting a library chock full of good tunes.

Watch the file sizes of your music downloads carefully. A normal music download will be somewhere between 2 megabytes and 5 megabytes. If you see something much less or much more, there could be something fishy about the file. It may be spyware and not the song you were hoping it was.