His music has a 90s feel, which makes the best use of Rin's voicebank. He made his major debut as a Vocaloid producer in 2011, with the release of 'EXIT TUNES PRESENTS THE BEST OF Dios/Signal-P', released by the EXIT TUNES label. His only other song to have reached the million-view-milestone is 'I want to see you' (Aitai) featuring GUMI, which reached its first million on August 18, 2012. The song reached its first million views on Nico Nico Douga on and 3 million views on December 19, 2018. Although his usage of Rin and Len are considered superior, his release of 'Cendrillon' featuring Hatsune Miku and KAITO at the Sendai Hatsune Miku Music Festival confirmed his skills with tuning other Vocaloids. He also released tracks under the alias 'Dios', which had a different style than his works as Signal-P. Some of his most prolific works include 'Rin Rin Signal', 'Transmit', 'Cendrillon', Time&Space', and 'CHU! me' (translation: Kiss me!). The song would go on to be one of the most played Len songs for years following its release. His debut song on Nico Nico Douga was 'Rin Rin Signal', which eventually led to fans bequeathing him with the producer name of 'Signal-P'. Signal-P originally only purchased Kagamine Rin/Len in December 2007 in order to test out his songs, but after uploading them to Nico Nico Douga they were well received and viewers started calling him the 'Legendary Kagamine Rin/Len Master'. He had been making music in this way for about three years until he bought the digital audio workstation (DAW) software Cubase because he wanted to use Auto-Tune. He would create a number of tone generator modules connected via MIDI and record the finished output. Signal-P learned how to play the piano at an early age and as a junior high school student, he was already writing songs using workstation-type synthesizers instead of computers. After graduating, he continued working as a composer, arranger, and engineer. Signal-P debuted as an arranger while studying at the Tokyo School of Music.

Having released music as both 'Signal-P' and the alias 'Dios', he eventually decided to use the combined alias 'Dios/Signal-P'. Stores offer a large B2 size poster when purchasing the album.Hiroaki Arai 荒井洋明 (born August 3, 1983), better known as Signal-P (シグナルP), is a Japanese musician.

Included with the album is an original phone strap, as well as a smartphone/IC card yupo suction tack sticker featuring an illustration of the VOCALOIDs on the album cover by Tama.

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