A system for tuning of combustion dynamics, the system comprising: a combustor; at least two fuel circuits (120, 125) configured to supply fuel to the combustor; at least one sensor to detect and provide combustion dynamics amplitude data associated with the combustor; and an equipment controller communicatively coupled to the at least one sensor, the equipment controller configured to: analyze the combustion dynamics amplitude data to detect at least one change in acoustic pressure amplitude associated with combustion in the combustor; and in response to the at least one change in acoustic pressure amplitude: determine a fuel split change, the fuel split change being a change of the ratio of flow to the at least two fuel circuits (120, 125); and apply the fuel split change to the combustor; wherein: detection of the at least one change in the acoustic pressure amplitude includes determining that the acoustic pressure amplitude exceeds a predefined dynamics amplitude threshold level for at least one vibrational frequency band of a set of ranges of frequencies; characterized in that the fuel split change is determined based on a predefined split change direction and an amplitude variation from a default amplitude associated with the at least one vibrational frequency band. a combustor; at least two fuel circuits (120, 125) configured to supply fuel to the combustor; at least one sensor to detect and provide combustion dynamics amplitude data associated with the combustor; and an equipment controller communicatively coupled to the at least one sensor, the equipment controller configured to: analyze the combustion dynamics amplitude data to detect at least one change in acoustic pressure amplitude associated with combustion in the combustor; and in response to the at least one change in acoustic pressure amplitude: determine a fuel split change, the fuel split change being a change of the ratio of flow to the at least two fuel circuits (120, 125); and apply the fuel split change to the combustor; wherein: detection of the at least one change in the acoustic pressure amplitude includes determining that the acoustic pressure amplitude exceeds a predefined dynamics amplitude threshold level for at least one vibrational frequency band of a set of ranges of frequencies; characterized in that the fuel split change is determined based on a predefined split change direction and an amplitude variation from a default amplitude associated with the at least one vibrational frequency band. analyze the combustion dynamics amplitude data to detect at least one change in acoustic pressure amplitude associated with combustion in the combustor; and in response to the at least one change in acoustic pressure amplitude: determine a fuel split change, the fuel split change being a change of the ratio of flow to the at least two fuel circuits (120, 125); and apply the fuel split change to the combustor; wherein: detection of the at least one change in the acoustic pressure amplitude includes determining that the acoustic pressure amplitude exceeds a predefined dynamics amplitude threshold level for at least one vibrational frequency band of a set of ranges of frequencies; characterized in that the fuel split change is determined based on a predefined split change direction and an amplitude variation from a default amplitude associated with the at least one vibrational frequency band. determine a fuel split change, the fuel split change being a change of the ratio of flow to the at least two fuel circuits (120, 125); and apply the fuel split change to the combustor; wherein: detection of the at least one change in the acoustic pressure amplitude includes determining that the acoustic pressure amplitude exceeds a predefined dynamics amplitude threshold level for at least one vibrational frequency band of a set of ranges of frequencies; characterized in that the fuel split change is determined based on a predefined split change direction and an amplitude variation from a default amplitude associated with the at least one vibrational frequency band. detection of the at least one change in the acoustic pressure amplitude includes determining that the acoustic pressure amplitude exceeds a predefined dynamics amplitude threshold level for at least one vibrational frequency band of a set of ranges of frequencies; characterized in that the fuel split change is determined based on a predefined split change direction and an amplitude variation from a default amplitude associated with the at least one vibrational frequency band.