The SoundVibe Free Trial includes all advanced features of the Professional Version but gives you access only to a limited number of songs and playlists (20 songs in 4 playlists).
SoundVibe is provided in a Software as a Service model with monthly, quartely or annual subscriptions. Trial users, in order to upgrade to SoundVibe Professional all you need is to purchase one of the available subscription plans. After succesfull purchase you will receive an email with you license activation key.
An internet connection is required only for the initial music download from SoundVibe cloud servers and any time that you wish to check for updates. During normal operation the music files in your computer are used so you don't have to worry for internet connection interruptions.