Complex sentence: The band got its name from English word Cold and Azerbaijani Dünya (World), they are one of the better known and most prolific Azerbaijani bands of the late 20th and early 21st centuries.
Split into simpler sentences: The band got its name from the English word Cold and the Azerbaijani word "Dünya" (World). They are one of the better known and most prolific Azerbaijani bands of the late 20th and early 21st centuries.