Van Morrison is an acclaimed singer-songwriter who has been active since the 1960s. He has released numerous successful albums and singles, and is considered one of the most influential figures in rock and blues music. Some of his most notable songs include "Brown Eyed Girl," "Gloria," and "Moondance."
Nirvana, on the other hand, was an American rock band formed in the late 1980s. They achieved international fame with the release of their album "Nevermind" in 1991, which featured the hit single "Smells Like Teen Spirit." Nirvana is widely regarded as one of the most influential bands of the 1990s, and their music continues to be popular today.
In terms of popularity, Van Morrison has had a longer and more sustained career, with a wider range of successful songs and albums. Nirvana, on the other hand, achieved immense popularity in a shorter period of time, and their music had a significant impact on popular culture.
Ultimately, the popularity of these two artists is subjective and depends on individual tastes and preferences. Both Van Morrison and Nirvana have made significant contributions to the music industry and have left a lasting legacy.