Here is a Nauha by Shuja Rizvi . It outlines the grief of Imam Mahdi (as) for his grandmother Hazrat Zahra (sa). DO take a look at it and recommend it to others as well.
"AADHI RAAT KI TAARIKI MEIN , LEKAR CHASHME TAR
AAJATE HAIN MERE MAULA , QABRE ZAHRA PAR "
"HAI KARBE IMAM E ZAMANA , QABRE ZAHRA PAR
YA ZAHRA YA ZAHRA , YA ZAHRA YA ZAHRA "
YA RABBA MOHAMMED AJJIL FARAJA AALE MOHAMMED
YA RABBA MOHAMMED EHFAZ GHAIBATA MOHAMMED
YA RABBA MOHAMMED INTAQIM LE IBNATE MOHAMMED (SAWA)
YA RABBAZ ZAHRA
BE HAQQE ZAHRA
ISHFE SADRIL ZEHRA
BE ZUHOORIL HUJJAH
O ALLAH HASTEN THE REAPPEARENCE OF IMAM E ZAMANA (ATFS) BY THE HAQ OF JANABE ZAHRA AND FOR THE CONTENT OF THE HEART OF JANABE ZAHRA !!!