There are at least four artists going by the name Nula:

1) NULA: The new R&B project by London, United Kingdom based musicians Diane Nadia "MOKO" Adu-Gyamfi and Luke Osborne. They released their first two tracks: Mutual and Control in November 2017.

2) Nula: DIY anarcho-hardcore punk band from Croatia who did a split LP with E.M.S.

3) Nula from Belgrade, Serbia is a metal band which was formed in late 2013 by a group of likeminded guys who gathered around the love for heavy riffs and mighty grooves. The members came from different musical backgrounds, including death, thrash and sludge metal and hardcore punk, but were united by their common passion for aggressive, raw, and essentially emotional sound and intense live delivery.
https://nulaserbia.bandcamp.com/album/kenoma

4) Nula: Mixed-media "filecast" site primarily built on found materials (?), somehow connected with Lloyd Dunn of the Tape-beatles. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.