Klavierwerke is the third solo EP by English musician James Blake, who plays all the instruments and produced the record.

[3] James Blake changed his style on the EP from gospel and R&B influenced dubstep on CMYK to more piano-based music.

[3] The next track, "Tell Her Safe" has Blake singing over percussion, with additional light pops and clicks, and a muffled refrain.

"[6] Joe Colly of Pitchfork named "I Only Know (What I Know Now)" one of the "EP's finest moments" and gave the album a score of 8.1 out of 10.

[3] Resident Advisor gave the album 4 stars out of 5 and stated that "Blake's ingenious move is to seemingly dance around the truth, leaving the listener to figure things out.