In 2016, the nonagenarian spoke to reporters conveying that his only dream was to perform before the only Kenyan president he had never entertained - Uhuru.
Wanganangu, who is highly respected by the younger generations of Kikuyu musicians, entertained former Presidents Jomo Kenyatta, Daniel Moi and Mwai Kibaki in his heydays.
Uhuru rewards Kikuyu musician Wanganangu
President Kenyatta was seen singing along as Wanganangu performed with his accordion at the sidelines of the luncheon.
He would later present Wanganangu with a title deed as a gift in response to the musician's grievance.
The 90-year-old claims that he has never received any payment from the Music Copyright Society of Kenya despite having two popular albums and enrolling as a member of the society.
In 2016, a blind Mzee Wanganangu told reporters that he was living in abject poverty while struggling to find gigs where he could play and earn a bit of cash.
Being advanced in years, the elderly Benga musician stated, at the time, that he and his wife were finding it hard to keep up.
Wanganangu also earned himself a Head of State Commendation during the 2021 celebrations.