I like to listen to techno music. It is electronic dance music.
I have never heard about this, but it sounds  fun
It started underground in Detroit, Michican in the mid 1980s.
That's very interesting, I bet it started in the most interesting place
Techno was a meld of Chicago house, funk, electro and electric jazz.
What instruments are needed for it?
Usually just turntables and electronic MIDI equipment. 
amazing, can a 40 year old like me be a attention in a techno conceert?
point of reference, particularly Toffler's phrase "techno rebels." To producers such as Derrick May, the transference of spirit from the body to the machine is often a central preoccupation; essentially an expression of technological spirituality.
The mid-1980s work of Detroit techno producers Juan Atkins, Derrick May, and Kevin Saunderson (collectively known as the Belleville Three) is generally seen as the foundation upon which a number of techno sub-genres have been built. The term "techno" was established as a name for the genre
Techno
Techno is a form of electronic dance music that emerged in Detroit, Michigan, in the United States in the mid-to-late 1980s. The style resulted from the melding of African American styles such as Chicago house, funk, and electro with electronic music by artists such as Kraftwerk, Giorgio Moroder and Yellow Magic Orchestra. Added to this is the influence of futuristic and science-fiction themes relevant to life in American late capitalist society, with Alvin Toffler's book "The Third Wave" being a notable