Possible Clues:

• A danger with a TV broadcast that's unconventional
• A very small plot, almost infested with insect — not popular
• A very small insect on ground by house, lacking tail and not boringly normal?
• Runs into position of advantage, being innovative
• Experimental art gave Dan dire distress
• Looking ahead, a sentry is heard to let vehicle in on time
• A danger with a TV broadcast that's cutting-edge
• Unusual advantage with leading rider being ahead of the field
• Kind of jazz performed by John Coltrane, Ornette Coleman etc.
• See in varied art agenda such material?