The objectives of this study are to refine and develop how cooperation between music education students and school children might be conducted and the difficulties and gains in the process. The goals are development of the music teacher education, the music education at the school and also didactical and personal skills and development of the students and children involved.The school chosen for the project is situated in an area with socio-economic disadvantages and many immigrant children. It is also known for having committed teachers working with music and other artforms. The school has twice been external funded for working in cooperation with the local municipal school of art.This study focuses on a music teacher education department at a university which have a project where first year students teach and cooperate with schoolchildren, about 10 years old. The students have met the children four times during four weeks and the project ended with a concert where the children and the students made music together. The project was followed by a researcher, who also was one of the teachers in the project. Another researcher, not personally involved in the study, have conducted interviews to catch the students view of their work with the children and their view on the children’s and their own knowledge and development.Music and other artforms are sometimes viewed on, or used, as problem solvers in educational contexts. Especially socio-economical vulnerable areas have been targeted to different kinds of projects, something music education students must have awareness of and tools to work with. This presentation focuses on the development of the project, and the outcomes of the project regarding the children and students involved as well as for the institutions involved.