Rocksmith

There are 15 technique challenges in this DLC, they are very similar to the ones in the main game, most challenges are teaching you the exact same as in the main game, but there are few bass exclusive challenges as well, such as «Two Finger Plucking» and «Slap & Pop». The challenges are not particularly hard, if you have finished the ones in the main game, these should be done pretty quick, for me the biggest pain was the insane loading times.

Points required for gold:

Bass Basics: 36,000
Two Finger Plucking: 44,000
Syncopation: 34,000
Octaves & Fifths: 36,000
Slap & Pop: 59,000
Shifting: 61,000
Sustains: 48,000
Hammer-ons & Pull-offs: 66,000
Slides: 100,000
Bends: 100,000
Harmonics: 100,000
Palm Mutes: 33,000
Tremolos: 52,000
Double Stops: 22,000
Power Chords: 25,000

Most of these scores will be unobtainable on your first run, so don't care about the score the first time. After you have played through a challenge once, the sections will level up and you will be able to gain a higher score on your next attempt. Don't worry if you still can't reach the score on your second attempt, eventually when you have fully leveled up the challenge, you can reach the score required for gold before you are halfway through. If you are having trouble understanding the technique, the game has great in-game guides for each technique once you start up the challenge.

NOTE: For some challenges, if you are patient and level the challenge up, you don't even need to "complete the challenge", you can just play the notes regularly.