Super Star Clusters in Low-Metallicity Starburst Galaxies: what lies beneath With SIRTF now flying and the NGST very well under way, we will be looking at what has been puzzling many astronomers for a long time: what will the first stars and galaxies look like. In order to get an idea of what we might find and of what is the best way to understand what we see, we have been looking at local low-metallicity starbursting galaxies in the near-infrared (NIR) and mid-infrared (MIR). As it is generally supposed that the first galaxies will be metal-free and that the prefered mode of star formation will be starburst, we observed local low-metallicity starburst galaxies with different telescope from UV to radio. What we find is that dust is a critical factor in our understanding of the integrated light of galaxies and that we need to observe it in many wavebands to get the complete census of star-formation in a galaxy. In particular, the MIR and the NIR are critical in order to find and describe quantitatively the embedded star-formation which is unvisible in the rest-frame UV and optical but which may represent a significant proportion of the total star-formation, even at 1/40th of the solar metallicity!