Aldrine Guerrero is a renowned ukulele virtuoso, multi-instrumentalist, educator, and co-founder of Ukulele Underground, one of the world’s largest online communities for learning ukulele. Born in the Philippines and raised in Hawaiʻi from age 7, Aldrine began performing in small venues while still in middle school before going on to captivate audiences around the globe, including in the US, Canada, Japan, Thailand, Taiwan, the Philippines, Korea, China, Australia, the Czech Republic, the UK, and France. 

For over a decade, Aldrine has taught hundreds of thousands of students through Ukulele Underground, nurturing the next generation of players with engaging lessons and community support. He has released four full-length albums and three EPs featuring original compositions and imaginative reinterpretations. His music and playing have reached audiences through radio, TV, and film, including contributions to Hotel Transylvania, The Simpsons, and Bob’s Burgers.

Aldrine’s blend of musical artistry, teaching passion, and global influence has made him a beloved figure in the ukulele world and beyond—an artist whose sound and spirit continue to inspire players everywhere.

Lil Rev (Marc Revenson) is an acclaimed American musician, storyteller, educator, and multi‑instrumentalist renowned for his work with the ʻukulele, harmonica, and roots music. Born in Milwaukee, Wisconsin, he discovered the ʻukulele in the early 1980s and went on to become a leading figure in the American ʻukulele revival, blending blues, jazz, folk, and traditional styles into his performances.

Lil Rev has released numerous albums showcasing his creative range, teaches workshops and masterclasses across the United States and Canada, and is the author of multiple instructional books and DVDs that help players deepen their technique and musical understanding. His performances often feature storytelling, historic repertoire, and a rich mix of instruments including resonator ʻukulele and harmonica.

His contributions to roots music have earned accolades including Best Folksinger and National Blues Harmonica Champion, and he continues to inspire musicians and audiences alike through festivals, community events, and his educational work.

Victoria “Viggy” Kolasinski is a fingerstyle ukulele player/teacher born and raised on Long Island, New York. Under the username @jiggywithviggy, Viggy makes fun and kinetic ukulele tutorials on her social media pages and has grown a cumulative audience of over 300k followers! She’s been playing the uke for 10 years and teaching private lessons, workshops, live shows, and online for four of those years, bringing with her a youthful energy and her silly stage presence. Viggy has been jiggy at the Reno Ukulele Festival, Uke Fest at Ashokan, Midwest Ukulele and Harmonica Camp, LA International Ukulele Festival, Port Townsend Ukulele Festival, and the Brooklyn Ukulele Fest. Victoria Kolasinski, aka Viggy, is a fresh face on the ukulele teaching artist scene. 

You can find Viggy on the cover of the 2025 summer issue of Ukulele Magazine, along with other featured “Next-Gen Ukers.” She specializes in fingerstyle arrangements of classic songs and creates skills workshops for all levels in an easy-to-understand approach.

Viggy is an expert in crafting chord-melody versions of songs both modern and classic. She’s incredibly prolific on social media—no surprise for a 25-year-old—but also travels the ukulele festival circuit and teaches online lessons. The lifetime Long Islander has a knack for collaborations and is excited for an as-yet-unannounced covers album with a well-known artist.