Zeusdaz made a 12 hour video of C64 intros. A few examples of groups are: F4CG, Alpha Flight 1970, Genesis, Union, X-Ray, Wow + Rush, Gax 777, Zone 45, U-Turn, Unicess, Wanderer, TSK, Hotline, Legend, Censor, Dominators, Remember, Chromance, TSM, Ikari, Bonzai, Brutal, Culture, Byterapers, Enigma and many more.