There are multiple artists called Lydia: 1. a two-piece indie rock band, 2. a Spanish female singer, 3. a Korean female singer.
These are videos from concerts where Lydia played, so they may be of other bands that played the concert as well.
Halestorm / Dorothy / Lydia / Lita Ford Apr 7, 2016 Raleigh, North Carolina, United States Added by Ozyisotopes
The Early November / Lydia / Restorations May 22, 2015 Chicago, Illinois, United States Added by Nick3182