This is the 4722nd most frequent Japanese word.
最先端
Cutting-edge; state-of-the-art.
Here, "最先端" is used as an adjective preceding the noun "技術" (technology), specifying that the technology employed is highly advanced and modern.
この機械は最先端技術を使っています。
This machine uses cutting-edge technology.
In this sentence, "最先端" modifies "音楽", indicating that the music he creates aligns with modern trends and innovations in the field.
彼は最先端の音楽を作曲しています。
He is composing cutting-edge music.
"最先端" is used in conjunction with "争う", expressing that the company competes actively to stay at the leading edge in the industry.