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.
Fusion music tends to be more synthetic or electronic in nature and provides the opportunity for many different dance styles to be used during any set, or even during a single song. Fusion sets have a wide variety of alternative music including alternative tango, blues, soul, disco, jazz, pop, lyrical or rhythmic electronica, or any other genre of music where a definitive dance beat can be felt and danced to. This allows dancers to interpret the music and incorporate skills from a wide variety of dancing.