"[2] Fa Sol La contains two instrumental tracks, and draws comparison to the music of Smashing Pumpkins, and Arcade Fire.

[4] A review of the EP by The Aquarian Weekly says the "darker yet still hooky sound [and] edgier take on composition in Fa Sol La [...] have a melancholic feel to them."

They describe "Don't Stray" as "folksy and balladic," "The Bloodiest Gums" as "polka-esque," "We're Animals" as "visceral," and end with noting Fa Sol La "comes full circle with [the] serene instrumental track, "Mountain Slang II.

""[5] Jim Testa in The Jersey Journal writes Those Mockingbirds' EP offers "strong melodies and vocal harmonies, and the grace of Tory Daines' contributions on violin and keyboards [...] on slower, softer songs like romantic "Don't Stray" or the eerie "The Bloodiest Gums" make[s] the most of their folk/rock influences.

Lead singer/guitarist Adam Bird's powerful vocals that tend to be the focal point here, which range from supple and seductive to bold and blaring depending on the mood of the song.