Thom Yorke of Radiohead

Thom Yorke of Radiohead performs live on stage at 02 Arena on Oct. 8, 2012 in London, England.  

Jim Dyson/Getty Images

When Spotify first tried to open the ultimate library of popular music, there were a handful of missing authors whose names were so major they threatened to undermine the integrity of the entire collection: The Beatles, Pink Floyd, Led Zeppelin, AC/DC. A decade and several rival services later, those groups have fallen like dominoes to the supremacy of the streaming era, and earlier this week, a similarly gigantic name joined their ranks: Garth Brooks, the greatest selling solo act of all time and a long-time on-demand holdout, whose entire catalog will eventually be available at the brand-new Amazon Music Unlimited. 

Read more: Garth Brooks Reveals Amazon Streaming Deal Details: Exclusive

Although Garth may have been the biggest name whose music was unavailable across all major services, it's hardly a complete set for the streaming world just yet. Here are 11 of the biggest names still at large, before the Internet can truly catch 'em all:

Aaliyah

If your favorite Aaliyah album was her Jive debut Age Ain't Nothing But a Number, you're fine, as that LP (featuring Billboard Hot 100 top 10 hits "Back and Forth" and "At Your Best (You Are Love)") is available on most streaming services. But if you prefer her post-R. Kelly period -- as most fans do -- you're out of luck, as 1996 follow-up One in a Million and her 2001 self-titled third album are widely unavailable, thanks to the distribution hell of the now-defunct Blackground Records. (Certain albums by Tank, Toni Braxton and Timbaland & Magoo -- and perhaps most upsettingly, the Romeo Must Die soundtrack -- find themselves in similar limbo.)

Bikini Kill

The digital-only soundtrack to The Punk Singer, documentary about Riot Grrrl queenpin Kathleen Hannah, has made a handful of songs by the Olympia punk gods accessible to streaming, but otherwise, Bikini Kill's EPs and albums are totally absent. "It's just a crappy deal for the bands, exposure or not," bassist Kathi Wilcox explained to Verge in 2015. "I know a lot of people really love those streaming services, and they say they hear about a lot of bands they would otherwise never hear, but how much of that translates into financially supporting those bands?”

De La Soul

Paperwork has held up the legendary rap trio's Golden Age material, including classic LPs like 1989's 3 Feet High and Rising and 1991's De La Soul Is Dead, from reaching streaming services. “Unfortunately, a lot of the earlier stuff we did on Tommy Boy [Records], from what we understand, a lot of the legal language that needed to a part of the contracts between ourselves, the owners of the master and the publishing, I guess it didn’t include the world of digital,” Kelvin "Posdnous" Mercer told Bloomberg in 2015. “So when dealing with that it took a lot [and] is taking a lot of time to reach out to these different people." At the very least, the group's last few albums (including this year's excellent, Kickstarter-funded and the Anonymous Nobody...) were post-Tommy Boy, and thus accessible on most services.

Read more: De La Soul's Crowd-Funded Album Debuts at No. 1 on Top Rap Albums Chart

Def Leppard

There's no shortage of re-recordings of the arena-rock group's most popular work to be found on Spotify and Apple Music, and some of the band's more recent albums (including 2015's impressively solid self-titled effort) are there for your perusal. But if you want to hear the original versions of "Photograph" and "Pour Some Sugar on Me," no dice -- disputes over royalty rates have led to the group denying streaming their classic material, and lead singer Joe Elliott referred to that wing of the industry as "semi-evil" in a 2015 Maxim interview.

King Crimson

The complex time signatures and double-digit-minute lengths of King Crimson's most famous songs are non-existent on demand -- you can't even find a live version or a soundtrack one-off from the prog-rock greats on Spotify or Apple. Legendary guitarist and King Crimson leader Robert Fripp has been a long-time critic of digital and streaming, doing the math when a couple songs of his were briefly made available on Spotify, and asking in an incredulous 2009 Internet diary entry: "Is this seriously being presented as a future for the industry?”

The KLF

The notorious top 40 anarchists who literally wrote the book on conning the music industry are perhaps the least-surprising holdouts of the streaming age, having publicly deleted their back catalog and retired from recording nearly a quarter-century earlier. Strangely, the group's material -- including their standard-bearing early-'90s ambient house LP Chill Out -- briefly appeared across digital and streaming services in early 2013, but was removed barely a day later.

Yoko Ono

The art-pop icon can be heard on streaming through her collaborative releases — remix albums Yes, I'm a Witch and Yes, I'm a Watch Too, as well as John Lennon co-projects like Double Fantasy and Plastic Ono Band. But outside of some compilations and one-offs, solo Yoko is still a no-go for most services, including her influential early-'80s albums Season of Glass and It's Alright (I See Rainbows).

Read more: Yoko Ono Talks Modern Sky Festival, the Future of Plastic Ono Band & Archival Beatles Plans

Bob Seger

One of the most formidable catalogs still sitting out the streaming wars is that of Rock and Roll Hall of Famer Bob Seger, who had two decades' worth of heartland rock hits, including the classic-rock standards "Night Moves," "Against the Wind," "Hollywood Nights" and "Old Time Rock and Roll." Seger referred to his absence from services like Spotify as "an ongoing issue with my manager and Capitol Records" in a 2014 Rolling Stone interview, but it seems like the Motor City legend is in no hurry to embrace the new technology: "I don't use the computer much at all," he admitted in the same Q&A.

Suede

The first breakout band of the Britpop era had their '90s and '00s material available on Spotify and other services until recently, when it was pulled without explanation. (Billboard has contacted the band for comment but had not heard back as of publishing.) You can still listen to the group's delectable recent works, 2013's Bloodsports and this year's Night Thoughts, as well as the 20th Anniversary Live performance of 1994 artistic high-water mark Dog Man Star, but not the original release of that album, or their hit-stacked 1993 self-titled effort, among others.

Tool

The alt-metal enigmas of the '90s and '00s have gone platinum with each of their four studio albums, but if you want to hear them, you still gotta track down physical copies -- the group has continually resisted digital distribution, and is unavailable for on-demand listening. There does appear to be one song of the band's available on Spotify, but don't be fooled by the plausible title: "Anti-Nuclear Bacteria" is actually a deep-house track by a Japanese DJ named TooL.

Read more: Radiohead's 'In Rainbows' Is Available on Spotify

Thom Yorke

The Radiohead frontman has relinquished most of his primary band's music to streaming -- recently even making long-absent 2007 album In Rainbows available on the service, as well as its bonus second disc -- but has held out with most of his other work. Neither of Yorke's solo albums (2006's The Eraser or 2014's Tomorrow's Modern Boxes) are available for conventional streaming (the latter was exclusively released via BitTorrent) and his supergroup Atoms for Peace's 2013 LP Amok is similarly invisible. You can hear Yorke singing on a couple Modeselektor tracks on Spotify, however, as well as -- somewhat ironically, given Neil Young's own absence from the service -- a cover of "After the Gold Rush" from a 2011 charity compilation.