Cadalso is a progressive heavy metal band from Santiago, Chile. The band released their self-titled debut album in January 2020 through a consortium of labels including ROAR Records, PureSteel Records, Eonian, and Steel Gallery, featuring seven tracks that blend traditional heavy metal with progressive structures.

Carillon is a heavy/speed/progressive metal band from Rosario, Santa Fe, founded in 1989 by Sergio Colussi (vocals and guitar), Armando De Angelis (guitar), Alcides Cabrera (bass), and Fabio Reynoso (drums). The band built a discography spanning three decades, from the cassette release Carnal & Espiritual recorded at Alfa Centauro Studios in Rosario in April 1991 through to Absent Presence in 2019 before eventually disbanding.

Chimaera was a progressive metal band from Porto Alegre, Rio Grande do Sul, Brazil. The band is documented on Encyclopaedia Metallum and has since split up, leaving behind a small catalog of progressive metal material released during their active years.

Chowy Fernandez is a progressive metal project from Buenos Aires, Argentina, led by a guitarist who has been playing for over 28 years. The project has released several instrumental albums including "Hypersalto" (2020), "Enki" (2021), "Triste Viento" (2022), and "ENLIL" (2022), all released independently. Chowy Fernandez also serves as guitarist for the Argentine metal band Barro, where he recorded alongside Marco Minnemann of The Aristocrats.

Christian Alejandro is an instrumental progressive metal solo project from Coquimbo, Chile, whose debut EP "Per Seculum Seculorum" (2010) introduced five tracks of self-described "Instrumental Epic Prog Metal." The project's 2023 album "G.NEM" expanded the approach into a ten-chapter conceptual work featuring guest soloists and a closing title track that runs over sixteen minutes.

Chronon is an instrumental progressive metal duo from Jaraguá do Sul, Santa Catarina, Brazil, formed around 2020 by guitarists David Lago and Christhopher Weinfurter. The project released its debut album "Music Field Theory" in November 2020, a digital release showcasing heavy riffs, intricate melodies, and shifting time signatures. Chronon operates as an independent act with no vocals, focusing entirely on instrumental composition.

Coherence is a progressive metal band from Campinas, São Paulo state, Brazil, active since 2016. The band has released albums including "Of Alternate Spaces" and an EP, with a 2020 remastered edition of "Of Alternate Spaces" available on their Bandcamp page. Their music blends progressive metal structures with experimental and atmospheric elements.

Colônia Cratera is a progressive metal and hard rock band from São Paulo, Brazil, formed in 2017 and named after the ancient meteor crater located in the city's southern outskirts. The band describes their sound as "rock progressivo espacial" (progressive space rock), blending heavy, stoner, and space-influenced elements, with releases including "Flecha e Destino" (2017) and "Templo e Abismo" (2019).

Cristobal Gallardo is a Chilean guitarist who launched his solo instrumental metal project in 2023 with the single "Maldita Tentación," followed by his debut album "A Puro Corazón" in 2024. His playing blends metal technique with Latin melodic influences, citing Marty Friedman, Gary Moore, and Carlos Santana as primary inspirations.