Simple Lang! is an online archive dedicated to preserving and curating iconic Filipino themes and jingles that have left a lasting impact on the country's culture. This collection features recordings from various media—radio, television, TV advertisements, and movies—spanning the 1960s to the 2010s in the Philippines. Each piece is recognized for its cultural, historical, or aesthetic significance.

The phrase "Simple Lang!" is a lesser-known expression in the local TV and radio industry, meaning "stick to the script, follow the plan, and get the job done efficiently."

As part of Dalton Channel Network, Simple Lang! is a Filipino digital museum built for the internet age, with a mission to acquire, preserve, study, and exhibit classic Filipino radio and television broadcasts—keeping their nostalgia and legacy alive for future generations.