That was a long time ago, and on the edge of history; but houses were still considered an innovation.
The introduction of Maestro was considered a real innovation in its time.
Military historians across the world now consider this theory an outstanding theoretical innovation.
The ballades are considered an innovation of Chopin's and cannot be placed into another form (e.g. sonata).
A flower can be considered a powerful evolutionary innovation, because its presence allowed the plant world to access new means and mechanisms for reproduction.
A spur is considered an evolutionary innovation because it defines pollinator specificity and attraction.
But then I'm not sure what would be considered an innovation in music.
The principle of partnership, which we consider a welcome innovation of the 1993 reforms, is adequately developed, especially in the area of monitoring committees.
They have evolved independently approximately 40 times and are considered a key innovation.
The accompaniment of a string quartet to the Beatles' song "Yesterday" was considered a real musical innovation in its time.