The spiritual aspect of the compositions and symphonies invite a superficial comparison with her contemporary Sofia Gubaidulina .
Unlike the latter Ustvolskaya was not a practicing believer , and these works are far from professions of Christian faith .
The spiritual aspect of the compositions and symphonies invite a superficial comparison with her contemporary Sofia Gubaidulina , although unlike the latter Ustvolskaya was not a practicing believer , and these works are far from professions of Christian faith .