surviving compositions include four masses, six motets, and three litanies for choir. she wrote in the italian style, as was typical for the early classical period in vienna. her harpsichord performance practice was compared to the style of c.p.e. bach. martines's compositions were well regarded in her time, and some scholars have suggested that mozart modeled his 1768 mass, k. 139, after the "christe" of martines's mass no. 1 in d major. the michaelerkirche (st. michael's church, next door to the martines home), saw a performance of her third mass in 1761. her fourth mass was completed in 1765.