do you exercise yoga, i mean the hatha yoga
No, I don't. I don't know anything about it. What is hatha yoga?
it is a branch of yoga that is important for mastering the body and mind.. simply it is an exercise
Oh, does it involve meditation?
no .. i dont think so.. it involves some physical techniques 
Oh. What are they? Stretching, special breathing?
yeah.. kind of... i guess the music rock bands have the same effect in mind
Really? How so?
Rock music
Rock music is a broad genre of popular music that originated as "rock and roll" in the United States in the early 1950s, and developed into a range of different styles in the 1960s and later, particularly in the United States and the United Kingdom. It has its roots in 1940s and 1950s rock and roll, a style which drew heavily on the genres of blues, rhythm and blues, and from country music. Rock music also drew strongly on a number of other genres such as electric blues
to India in 1852-3, and became greatly interested in yoga in general, while despising and distrusting hatha yoga, which she frequently contrasted with her Theosophical version of "true yoga". Her Theosophy accordingly views modern asana-based yoga as hatha yoga, a combination of "good exercise", in which it is not much interested, and meditation. It is rather more interested in mantra yoga, which it compares to Western plainsong, stating that it is useful for spiritual awareness; and in other forms of yoga