We will be using Ableton Live 9 later in the semester and this link will provide a lot of valuable tutorials to help answer some of the questions you may have about using Live 9.
From the official site and has videos for these:
Setting up an audio interface
Setting up a MIDI controller
Recording audio
MIDI beats and melodies
Working with Session View
Session View to Arrangement View
Exporting audio
Optimizing your audio interface setup
Hooray, a playlist of videos for the TRUE BEGINNER. Whereas most videos and tutorials for Ableton are on specific topics, this playlist has videos for beginners who have ABSOLUTELY NO IDEA what they are looking at :)