Declension table of ?saṅgītasiddhānta

Masculine	Singular	Dual	Plural
Nominative	saṅgītasiddhāntaḥ	saṅgītasiddhāntau	saṅgītasiddhāntāḥ
Vocative	saṅgītasiddhānta	saṅgītasiddhāntau	saṅgītasiddhāntāḥ
Accusative	saṅgītasiddhāntam	saṅgītasiddhāntau	saṅgītasiddhāntān
Instrumental	saṅgītasiddhāntena	saṅgītasiddhāntābhyām	saṅgītasiddhāntaiḥ saṅgītasiddhāntebhiḥ
Dative	saṅgītasiddhāntāya	saṅgītasiddhāntābhyām	saṅgītasiddhāntebhyaḥ
Ablative	saṅgītasiddhāntāt	saṅgītasiddhāntābhyām	saṅgītasiddhāntebhyaḥ
Genitive	saṅgītasiddhāntasya	saṅgītasiddhāntayoḥ	saṅgītasiddhāntānām
Locative	saṅgītasiddhānte	saṅgītasiddhāntayoḥ	saṅgītasiddhānteṣu

Compound saṅgītasiddhānta -

Adverb -saṅgītasiddhāntam -saṅgītasiddhāntāt