You can add effects, transitions and templates (free or paid) for download (provided they are registered with Cyberlink) to mix music and even add comments via a microphone or audio device and sub securities (a feature absent in most consumer video editing software.)
It is rather fast, yet I have an old PC Merovingian, and the program has not bugged or encountered any slowdown.
I just finished a music video, a mix between photo and video for the 18 years of my niece and I am very proud of the result, I managed as a pro and I have not been around all its possibilities