Baby boomers from across the nation, this weekend, will come as close as possible to reliving a time when they burned both ends of the night, descending on Boston for a weekend of “50-plus” club nights, Fitness Workshops with LLCool J and “Sex and the Seasoned Woman” workshops for a three-day convention sponsored by the American Association of Retired Persons.

The group of 25,000 packed the Boston Convention Center yesterday for the opening ceremonies of the “Life@50+” AARP National Event. The weekend offers information sessions and entertainment ranging from performances by Tony Bennett to Earth, Wind and Fire and speakers like poet Maya Angelou, Whoopi Goldberg and Boston Celtics legend Bill Russell.

The AARP, a nonprofit organization that provides benefits for adults ages 50 and above, holds its annual convention in a different city each year, inviting its members to celebrate their age and plan for their futures in retirement and beyond.

“It is our job to demand that all Americans have access to lifelong healthcare,” said AARP CEO Bill Novelli said. “This, I believe, is fundamental to our constitutional rights that everyone should be given the opportunity to life, liberty and the pursuit of happiness.”

“Our community has never needed AARP more than it needs us today, andwe come with the spirit of discovery and a hope for the future,” Novelli added.

AARP member Eileen McNulty said she is happy with the convention’s balance of useful forums on healthcare and financial security with more inspiring lectures and discussions on pride and kinship.

“Sure, I worry about my health as I get older, and about having enough money,” McNulty said, “but mostly I’m just excited for the future and being retired.”

In addition to informative discussions on healthcare and retirement, the boomers will be kept busy this weekend with fitness training, driving instruction, information for building healthy relationships, cooking lessons and movies.