Rambai muchinyora ndima iyi - Apo vaBarmakids vakadzingwa uye vakasungwa naCaliph Harun al-Rashid muna 803, Musawo akaiswa mutirongo nababa vake nehama dzake kusvikira pakugadzwa kwaal-Amin, uyo akavasunungura uye akavaratidzazve nyasha. Mukati meFitna Yechina
, Musa akatsigira al-Amin, achirwa mumapoka euto rakatendeka kurwisa al-Ma'mun, asi akazoenda kunoshanda. Al-Ma'mun akamugadza gavhuna weSindh. Musa akafa ari pachigaro muna 835, uye akatsiviwa nemwanakomana wake, Imran.