The story shows Ìyábọ́ making a bold decision to stay behind and face the approaching government forces while urging the younger resistance members to escape. As specified in your prompt, she hijacks the old clinic's PA system, her powerful voice booming across the entire Èkó-Ìsàlẹ̀ neighbourhood with a message of resistance.

The chapter describes how she brilliantly incorporates the ambulance sirens' "wée-wée-wée" sounds into the sorrow-anthem, turning what would typically be sounds of emergency and fear into rhythmic elements of their musical resistance. This creative fusion creates something new that spreads beyond the clinic itself.

The windows across the neighbourhood begin opening "like surprise party" as people emerge to join the musical resistance. The spontaneous community participation transforms the entire area into a concert hall with Ìyábọ́ as the conductor, as people clap, sing, and bang pots and spoons in rhythm with the music.

The chapter builds to the emotional moment when the PA system cuts off as the government forces reach Ìyábọ́, but her broadcast coup has already succeeded - the music continues through the people's voices, proving that while they can silence equipment, they cannot silence a community that has reclaimed its voice.

The story ends with the ambulance sirens continuing to carry the sorrow-anthem across Lagos as more windows open and more people join the impromptu citywide chorus, setting up the final chapter of their struggle.