The show must go on

when an inspiring song artist was diagnosed with an incurable disease he was given a choice to be put in an experimental freezing chamber, in hopes that the future would find a cure for him but while frozen another great war occurred which caused him to be forgotten from the world only to be awakened 500 years later when the world lost their culture during the very long war. now the MC must start a cultural revolution with his knowledge of pre-war instruments and music from the past.

(note this is only a thought I came up with I would love to receive as much help from the readers and some new ideas as well.)