This is the 8295th most frequent Japanese word.
弦楽
"弦楽" means "string music" or "string instruments."
Here, "弦楽" (string music/ensemble) refers to musical events involving string instruments.
弦楽合奏は素晴らしい響きを生み出します。
String ensembles produce wonderful sounds.
In this sentence, "弦楽" is part of "弦楽器" (string instruments), describing a set of instruments.
弦楽器の音色は心を落ち着かせます。
The tone of string instruments calms the mind.
Within this context, "弦楽" indicates activities or the group relating to string music as a club.