This article suggests pathways for supporting habits of creativity and the development of creative mindsets in performance-ensemble learning spaces. The Wallas model of creative thought is used to frame the concept of creative musical mindsets. The author reflects on the assumptions and principles outlined in the stages of this influential model and suggests how facets of the model inform creative skill development in music learning. A developmental framework for creative musical mindsets and practical approaches to support habits of creativity in performance-ensemble learning are discussed.