Here’s a clear breakdown of what those mean and the important distinction between them:

allow custom songs to mimic official DLC by automatically generating different difficulty levels that scale with the player's performance. Authentic Tone Support

The 2014 Complete DLC Pack also introduced several features and improvements to the Rocksmith experience:

To avoid CDLC in your Google searches, always use -custom -forge -cdlc in addition to your keyword.

-... Best: Rocksmith 2014 Complete Dlc Pack Custom Dlc

Here’s a clear breakdown of what those mean and the important distinction between them:

allow custom songs to mimic official DLC by automatically generating different difficulty levels that scale with the player's performance. Authentic Tone Support

The 2014 Complete DLC Pack also introduced several features and improvements to the Rocksmith experience:

To avoid CDLC in your Google searches, always use -custom -forge -cdlc in addition to your keyword.