With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The guitars of the albums since Singularity , by the band Northlane , drop Bb .
text_B: On a number of songs found on the albums since Singularity , the guitars are tuned to F-A # -F-A # -D # -G-C , essentially drop A # ( a tuning which they used on their debut EP ) with a low F. This allows them to use a standard drop tuning with access to a lower string for heavier sections .
REFUTES.