Dihydroergotamine is used to treat migraine headaches and cluster headaches. It is not recommended for migraines that affect only one side of the brain (hemiplegic migraine) or the base of the brain /neck area (basilar migraine), or to prevent migraines from occurring.
Pop music is an abbreviation for popular music. In other words, the main difference between pop music and alternative or underground music is the kind of following it has: pop music is usually known by a lot of people and regularly appears on TV.
Answer Wiki. While Quora User gives a nice summary of how the artists and music are created, there are other key differences in how the industry operates. K-pop is not about selling music. It's about selling idolsâpeople that fans worship. People listen to American pop, simply because they like the song.