Los40

Los40
Name	Los40
City	Madrid
Country	Spain
Language	Spanish
Format	Contemporary hit radio
Owner	PRISA Radio
Founded	1966
Frequency	FM

Los40

Los40 is a Spanish contemporary hit radio brand originating in Madrid that became a major influence on popular music broadcasting in Spain and across Spanish-speaking countries. The network evolved from a music chart program into a multimedia franchise encompassing FM stations, digital platforms, festivals, awards and syndicated shows. Over decades it intersected with the careers of international artists, record labels, media groups and festival promoters.

History

Los40 began as a music chart program in the 1960s, emerging within the Spanish media landscape alongside outlets such as Cadena SER, Televisión Española, Prisa and commercial broadcasters. During the 1970s and 1980s it adapted formats influenced by BBC Radio 1, Capital FM, Radio Luxembourg and NRJ while navigating regulatory changes under the Spanish transition to democracy and the rise of private media conglomerates like Prisa. In the 1990s and 2000s the brand expanded under corporate ownership with ties to Grupo PRISA, collaborating with record companies including Sony Music, Universal Music Group, Warner Music Group and independent promoters. The 2010s saw digital transformation aligned with platforms such as YouTube, Spotify, Apple Music and social networks like Facebook and Twitter, while live events connected the network to festivals like Arenal Sound and Mad Cool Festival.

Programming and Formats

Los40's programming has mixed chart countdowns, DJ-driven shows, interviews and music news, drawing on formats similar to Top 40 programming used by Radio Caroline, WABC (AM) and Z100. Signature features include weekly countdowns compiled from airplay, sales and streaming data alongside curated playlists influenced by major labels and independent distributors. The schedule incorporates morning shows akin to Elvis Duran-style formats, midday segments featuring pop culture anchored to personalities connected with Telecinco and Antena 3 presenters, and evening specialty programs spotlighting genres such as reggaeton, K-pop, indie pop and electropop. Syndicated content has included collaborations with international networks like iHeartMedia and program exchanges involving DJs affiliated with MTV and DJs from Barcelona, Bogotá, Mexico City and Miami.

Stations and Network

The brand operates a network of FM stations and digital channels spanning urban centers including Madrid, Barcelona, Valencia, Seville and Bilbao. Regional affiliates have connections with media groups such as Unidad Editorial and local broadcasters across autonomous communities like Andalusia and Catalonia. International relays and franchised stations have been broadcast via partners in Latin American markets and on satellite and online platforms such as TuneIn and mobile apps. Technical infrastructure has included studios linked to broadcasters using equipment from manufacturers such as Rohde & Schwarz and software from providers similar to those used by Radioplayer consortium members.

International Editions

Los40 expanded into Latin America with editions and partnerships in countries including Mexico, Colombia, Peru, Chile, Argentina and Ecuador. These editions often adapted playlists to local markets while maintaining brand identity shared with Spanish operations. The brand's internationalization involved cooperation with regional media conglomerates such as CARACOL Radio-linked groups, cross-promotion with television networks like Telemundo and music promotion through local record stores and distributors tied to multinational labels. Franchise models resembled those used by BBC World Service partnerships and commercial networks like Virgin Radio and Virgin Radio International.

Awards and Events

Los40 became notable for organizing awards ceremonies and live events that highlighted mainstream and emerging artists. The brand staged concerts and festivals that featured performers affiliated with Shakira, Enrique Iglesias, Ariana Grande, Bad Bunny, Rosalía and Coldplay on various lineups. Its award shows honored successes in categories parallel to Los Premios Billboard and MTV Video Music Awards, with trophies celebrating song, album and artist achievements. Events leveraged sponsorships from global brands and partnerships with venue operators managing arenas similar to WiZink Center in Madrid and major outdoor sites used by touring promoters such as Live Nation and Arenas.

Controversies and Criticism

Throughout its history the network faced criticism over playlist curation, alleged favoritism toward major labels, and the role of payola-like practices debated in contexts similar to investigations involving Clear Channel and other major radio groups. Academics and music critics associated with institutions like Universidad Complutense de Madrid and media watchdogs compared its influence to that of commercial gatekeepers in markets covered by IFPI and PROMUSICAE. Controversies also emerged around content edits, guest selection and commercial tie-ins that sparked debate in newspapers such as El País and El Mundo, and among artists who publicly criticized airplay decisions during interviews on outlets like Cadena COPE and COPE programs.

Category:Radio networks Category:Spanish radio stations