Sinead O'Connor

The 56-year-old singer died last summer.

Some rock star marriages are over and done with in the blink of an eye, while others continue for decades on decades.

The late singer-songwriter earned her place among the greats years ago.

Singer-songwriter passed away last summer at the age of 56.

Thousands of fans gathered in the streets to pay tribute to the late singer.

She vowed to never record another one of his songs, but decades later she relented.

Both artists tore through "Mandinka" at Fuji Rock Festival.

The acclaimed Irish acts collaborated several times over the years.

"You praise her now ONLY because it is too late. You hadn’t the guts to support her when she was alive and she was looking for you."

Irish singer had struggled with mental health issues throughout her career.