■ Features of vocacolle
"Supports background playback"
- Play audio while using other apps or the web

"Chorus Medley" (*1)
- Rankings and favorite playlists can be played in a medley format with just the chorus like a music introduction program.

"Listen immediately without membership registration"
- If you have a niconico account, you can synchronize with niconico's My List, and the My List you follow will also be reflected.

"Comfortable enjoyment of The VOCALOID Collection"

- Fully linked with the vocaloid culture festival "The VOCALOID Collection"! You can comfortably enjoy new works and projects

"Fast and smooth audio playback"
- Crossfade for fast and smooth switching between works

"You can create unlimited custom lists"
- Find your favorite videos and create your own unlimited playlists
"Ranking specialized in music"
- You can check your favorite videos from music-specific rankings such as VOCALOID, singing, playing, etc.

"Recommended Autoplay" (*2)
- After playing a work, you can continuously play recommended works related to that work, and enjoy related works like an auto playlist.

"Continuous playback from Kiite"
- On the mobile version of the music discovery service Kiite (https://kiite.jp/), you can play in the background with vocacolle by pressing the "Continuously play with vocacolle" button on the playlist screen.

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*1: About Chorus Medley
- Receiving chorus information from Songle (https://songle.jp/), an active music listening service developed and published by the Media Interaction Research Group of the National Institute of Advanced Industrial Science and Technology (hereinafter referred to as AIST) Realized
- The chorus position played in VocaColle is automatically analyzed by Songle's music understanding technology. If you make a mistake, you can edit/correct it from Songle.
- Video contributors can fix the correct chorus position in Songle (login to Songle with Niconico account is required)
- The idea of "playing the chorus one after another" is Songrium's "Super History Player (http://doc.songrium.jp/chorekishi/)" and "Smart Player (https://smart.songrium.jp/)" functions Inspired by

*2: About recommended automatic playback
- AIST's music recommendation technology analyzes the audio signal of music content, and plays back content suitable for continuous playback, taking into account the similarity of the melody.
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What is Niconico
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Japan's largest video service.
Composed of various services such as "Nico Nico Douga" and "Nico Nico Live Broadcasting," this service allows users to view content in a unified interactive communication through comments.
You can enjoy more by registering as a free member when using the service.

What is Nico Nico Douga
This is a service that allows you to add comments to videos played on websites or in apps.
You can share the fun and enjoyment that you cannot experience just by watching the video.
I tried singing in the field of music, I tried playing Hatsune Miku, Kagamine Rin / Len, Megurine Luka, MEIKO, kaito, etc. Vocaloid (VOCALOID), Nikokara (niconico karaoke), work BGM , Game music, Japanese music, Western music, J-POP, ROCK, Dance/Club Music, anime songs, voice actors, and more.
The latest anime currently airing on TV is also available for free.