 This novel research on alternative materials for bows derived from his compound knowledge of music, bows and naval carbon/Kevlar technology.During this prominent stage of Rolland's career, a close dialogue with soloists was developing that would nourish his research on the sound qualities of bows in future years.Rolland then imposed his style, which expressed a profound knowledge of music as well as his understanding of the intrinsic qualities that gave fine French bows their world renown.