Question: Rdio was a music streaming service that held apps on several platforms, including iOS and Android phones, Sonos systems and which brand that derived its name from the Japanese word for "six"?

full_context: Document 1: YouTube Red: YouTube Red is a paid streaming subscription service exclusively for YouTube in the United States, Australia, Mexico, New Zealand, and South Korea. It provides advertising-free streaming of all videos hosted by YouTube, offline play and background playback of videos on mobile devices, access to advertising-free music streaming through Google Play Music, and access to "YouTube Red Original" series and films.
Document 2: Amazon Fire TV: Amazon Fire TV refers to two digital media players and microconsoles developed by Amazon.com. It is a small network appliance and entertainment device designed to stream digital audio/video content to a high-definition television. The device also allows users to play video games with the included remote, via a mobile app, or with an optional game controller.
Document 3: Digital media player: Digital media players (DMP) are home entertainment consumer electronics devices first introduced in 2000 that can connect to a home network to stream digital media (such as digital music, digital photos, or digital video). They should not be confused with portable media players (also known as mobile media players), which are portable consumer electronics devices capable of storing and playing digital media such as audio, images, and video files. Digital media players can stream files from a personal computer and network-attached storage or from another networked media server to play back the media on a television or video projector display for home cinema. Most digital media players utilize a 10-foot user interface, and many are navigated via a remote control.
Document 4: TuneIn: TuneIn is an audio streaming service delivering live news, radio, and sports, in addition to music, podcasts, and audiobooks, to an audience of over 60 million monthly active users worldwide. The company is based in San Francisco, California. Founded by Bill Moore in 2002 as RadioTime in Dallas, Texas, TuneIn has more than 100,000 broadcast radio stations and four million on-demand programs and podcasts from around the world. TuneIn is available on the web at TuneIn.com, for a suite of mobile apps: iOS, Android, BlackBerry, Samsung, Windows Phone, and on over 200 connected devices, including Sonos, Bose, Amazon Echo, and Google Home connected speakers. TuneIn service is also available in over 50 vehicle models, including the Tesla Model S. TuneIn raised over $47 million in venture funding from Institutional Venture Partners, Sequoia Capital, GV, General Catalyst Partners, and Icon Ventures.
Document 5: TVPlayer: TVPlayer is a live TV streaming service for users to watch free-to-air channels through their smart devices (Apple TV 4th Generation Only, Amazon Fire TV) desktops, smartphones and tablets. The TV service allows television licence holders in the United Kingdom to stream 78 free live television channels, including BBC, ITV, Channel 4, Channel 5, Heart TV, Capital TV and The Box. TVPlayer offers a "TVPlayer Plus" branded 'no contract, cancel anytime' monthly or yearly subscription service which allows consumers access to an additional 30 live streaming television channels, including Gold, Cartoon Network, Discovery Channel, Eurosport 1 and Eurosport 2. TVPlayer Plus also allows users to catch up on programmes with their 7-day catch up service when using a "Plus" subscription. Brazilian Channel Globo is available with an extra subscription.
Document 6: Rdio: Rdio was an online music streaming service that offered ad-supported free streaming and ad-free subscription streaming services in 85 countries. It was available as a website and via app for Android, BlackBerry, iOS, and Windows Phone mobile devices, which could stream music from Rdio's servers or download music for offline playback; there were also clients for the Roku and Sonos systems. The web-based service also offered a native desktop client application for OS X and Windows, as well as a Windows Store application.
Document 7: Livestream: Livestream is a video live streaming platform that allows customers to broadcast live video content using a camera and a computer through the Internet, and viewers to play the content via the web, iOS, Android, Roku, and the Apple TV. Livestream requires a paid subscription for content providers to use; it formerly offered a free ad-supported service but no longer does so as of 2016.
Document 8: Roku: The Roku Streaming Player, or simply Roku ( ), is a series of digital media player set-top boxes manufactured by Roku, Inc. Roku partners provide over-the-top content in the form of channels. The name comes from the Japanese word 六 (roku ) meaning "six" and was named so because it was the sixth company that Anthony Wood (CEO 2002-) started. A Roku streaming device gets data (the video stream) via a wired or Wi-Fi connection to an Internet router. The data is output via an audio cable, video cable, or HDMI cable. The device can be connected to any television set (or other video display device) with appropriate input connections.
Document 9: Apple TV: Apple TV is a digital media player and microconsole developed and sold by Apple Inc. It is a small network appliance and entertainment device that can receive digital data from a number of sources and stream it to a capable television.
Document 10: FlickRocket: FlickRocket FlickRocket is a cloud based e-commerce platform with a focus on secure distribution of digital content. Content owners can set up custom webshop front ends or use it to deliver DRM protected digital content for 3rd party web shops.
Document 11: Radical.fm: Radical.FM is a digital music streaming service available on iOS devices, Android devices, and desktop web browsers. The service allows users to create their own custom online radio stations based on musical genres. Unlike other streaming services like Spotify and Pandora Radio, Radical.FM is completely free and based on donations through a "pay-what-you-can" model. The mobile application does not show or have audio ads, or charge subscription fees.
Document 12: Simfy: Simfy Music was a music subscription service available in Germany, Austria, and Switzerland, It was available as a website and also had clients for iPhone, Android, and BlackBerry which can play streaming music or cache songs for offline playback. The web-based service also offered a cross-platform client based on Adobe Air. Its library had content from the four major record labels, as well as the Merlin Network and aggregators such as The Orchard, and Finetunes. Simfy also offered social networking, allowing users to share playlists and follow others to see what music they listen to.
Document 13: Mobile music: Mobile music is music which is downloaded or streamed to mobile phones and played by mobile phones. Although many phones play music as ringtones, true "music phones" generally allow users to stream music or download music files over the internet via a WiFi connection or 3G cell phone connection. Music phones are also able to import audio files from their PCs. The case of mobile music being stored within the memory of the mobile phone is the case similar to traditional business models in the music industry. It supports two variants: the user can either purchase the music for outright ownership or access entire libraries of music via a subscription model. In this case the music files are available as long as the subscription is active.
Document 14: List of apps with Google Cast support: The following is a partial list of apps compatible with Google Cast, and the platforms on which each can run. The first Google Cast receiver released was Google's Chromecast in July 2013; a digital media player in the form of an HDMI dongle, the device streams media wirelessly via Wi-Fi after a selection is made through a supported mobile or web app, such as those listed below. Unofficial Google Cast receivers followed, before Google released a second official receiver, the Nexus Player, in November 2014.
Document 15: Vdio: Vdio Inc. was an internet television service created by Skype and Rdio co-founder Janus Friis in 2011. On April 2, 2013, Vdio was officially launched for Rdio premium subscribers. Vdio's platform for sharing content is a pay-per-view system compared to Rdio's unlimited streaming. Similar to the main players in the video streaming market, Amazon and Netflix, Vdio offers a varied catalog that ranges from cult classic titles to new releases from major studios. From April 2013, the service was available in the United States and the United Kingdom (though it has now been discontinued). Current Rdio subscribers were given US$25 in credit to spend on Vdio.
ground_truth: Roku