HTC playing music - Amazon Cloud?

[Triciaa]

I have a number of songs downloaded via Amazon MP3 and always listen to them on my HTC, however, recently when I purchased a few more they went on to Amazon cloud and from what I have been reading, music that is played via Amazon cloud will only play if you are connected to the internet?

Is there anyway to prevent this happening, I don't always have my phone connected to the internet when I am out and about but I want to be able to listen to my music without having to be connected to the net?

Many thanks

Tricia