What allowed the German government to ignore the constitution for 4 years to deal with problems in Germany

The Enabiling Act of 1933

Explanation:

The Enabling Act of 1933 was a law that gave the German Cabinet—in effect, the Chancellor—the power to enact laws without the involvement of the Reichstag, and to override fundamental aspects of the Weimar Constitution

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate