The song being played is "Going wacky," Copyright bobby prince Music.
The screenshot above is from MoreCosmo1.
The screenshots at the bottom of this page are from NewCosmo3.
See the included text files for installation.
These add-ons for Cosmo's Cosmic Adventure
were made using Cosmo's Cosmic Level Editor by Karl Morrison, including Textract by Frenkel Smeijiers.
3 of the levels in NewCosmo3 were made using Cosmo Editor v1.0 (COSMEDIT.EXE) by David Bollinger.