marginally significantp < .09
We also saw a marginally significant two-way interaction of instrument and musical experience, β = 0.36, z = 5.61, p < .09: planned contrasts revealed that, whereas marimba was rated as significantly happier than viola by both musicians and nonmusicians, the difference in happy/sad ratings between viola and marimba was greater in the case of nonmusicians than musicians, t = 4.450, p < .0001.