Rhymed text describes how shapes are made from simple lines. Some of the verses appear on the page in the shape they describe.

"Follow along as the symphony orchestra's various instruments are introduced. From violin to trumpet, flute to trombone, each plays its part, contributing to a grand and mystifying performance. These magical instruments will transport you in a way only music can. Soar with the strings, float away with the woodwinds, and play in a percussion thunderstorm! Music can take us anywhere, so celebrate and learn about all the instruments of the orchestra...

In this variation on the the classic song "Over in the Meadow," mother and father trucks show their youngsters how to build down at the construction site, from "mama bulldozer with her little dozer one" to "mama steamroller with her little rollers ten."