When the drums of ohangla began to roll and the voices of Luo music stars Prince Indah, Musa Jakadala and Elisha Toto rose in harmony, it was not for a campaign rally this time. It was a farewell symphony — a nation’s musical send-off for Raila Amollo Odinga, the man they called Baba, Tinga, Agwambo, the people’s president. From Kisumu’s Jomo Kenyatta Stadium to Nairobi’s Nyayo Stadium, Kenyans lifted their voices one last time for the leader whose name had echoed through decades of struggle and song. “Chunya winjo ka pek, woyo tama, muya rumo na! Apenji, kara iwewa gi…