Bass singer Melvin Franklin and falsetto Eddie both passed away in the 90s.

Source: https://www.express.co.uk/entertainment/theatre/1761666/the-temptations-otis-williams-motown-theatre-performance

Featuring the amazing falsetto voice of Einar Vestman and the humour of Gary Gould, an amazing evening of fast-moving entertainment with superb harmonies is expected.

Source: https://www.bordertelegraph.com/news/23348690.new-jersey-boys-coming-back-borders/?ref=rss

“Our legacy music project featuring our falsetto champions, ‘Hawaiian Falsetto Vol 1,’ won Hawaiian Engineering and Compilation of the Year at the Nā Hōkū Hanohano Awards last weekend,” said Daryl Fujiwara, Festival Director and Producer of the album.

Source: https://mauinow.com/2023/07/11/call-for-entries-for-the-2023-richard-hoopii-leo-ki%ca%bbeki%ca%bbe-falsetto-contest/

So, it’s fair to wonder how Valli’s famed falsetto is doing in 2023 — 70 years after releasing his first single.

Source: https://www.bostonherald.com/2023/11/10/frankie-valli-says-he-has-no-plans-of-this-being-his-final-concert-tour/

There’s no need to shout, so he sometimes uses lower registers or slips into falsetto.

Source: https://drgnews.com/2023/03/14/in-unusual-step-u2-reinterprets-40-of-its-best-known-songs/

The songs burst forth, tenderly and lovingly by a soft falsetto, reminding us all of the melancholy arc that love can bring, as well as the wonder and joy that lives around the corner from it.

Source: https://t2conline.com/loving-the-love-of-loves-labours-lost-at-the-stratford-festival-canada/?utm_source=rss&utm_medium=rss&utm_campaign=loving-the-love-of-loves-labours-lost-at-the-stratford-festival-canada

When Dickson grants him room to roam on glorious, affecting single The Skin I’m In, McAlmont interrogates key lines such as “Black lives matter” with the falsetto ferocity that fans of his symphonic-pop classic Yes will remember all too well.

Source: https://www.theguardian.com/music/2023/feb/05/hifi-sean-david-mcalmont-happy-ending-review-a-dream-voice-thats-lost-in-the-mix

Whether shifting into falsetto on the lost love of “Are We Through” or the acoustic-based ruminations with flute about the dangers of alcohol.

Source: https://americansongwriter.com/review-atlanta-soul-bluesman-eddie-9v-connects-with-his-inner-capricorn/