99% Invisible
Roman Mars
Add to My Podcasts
Episodes
About
Reviews
Promote
The MAPL Test
40 minutes
Posted Jun 2, 2026 at 9:00 am.
0:00
40:27
Add to My Queue
Download
MP3
Share
episode
Share at current time
Show notes
Canada reshaped its music industry with a quirky radio rule that changed who got heard.
Popular Now In
Design
#35
Previous
100 Objects #2: 60-Degree Screw
Next
100 Objects #3: The Pension Files
← See all 817 episodes of 99% Invisible
