A combustor for a gas turbine engine comprising: a combustor liner defining an interior combustion chamber and a hot gas path and comprising a first liner section having an upstream end and a second liner section that is affixed to the upstream end of the first liner section; a thermal barrier coating disposed along inner surfaces of the first and second liner sections; a plurality of resonators formed on an exterior of the first liner section and comprising a plurality of circumferentially arranged arrays of apertures in the first liner section that have neck lengths such that each aperture extends through the first liner section and the thermal barrier coating; wherein each respective resonator of the plurality of resonators comprises a respective array of apertures of the plurality of circumferentially arranged arrays of apertures, with each respective array of apertures being surrounded by respective one or more outwardly projecting sidewalls that are integrally formed with the first liner section, wherein a thickness of the first liner section respectively within the respective one or more outwardly projecting sidewalls of each respective resonator is less than a thickness of the first liner section respectively immediately outside the respective one or more outwardly projecting sidewalls; wherein each respective resonator further comprises a respective end cap (123A, 123B) affixed to the respective one or more sidewalls surrounding the respective array of apertures and each respective end cap is affixed to a respective site on the respective one or more sidewalls spaced radially outward from an outer surface of the first liner section; wherein a first plurality of resonators of the plurality of resonators have first resonator chambers with each first resonator chamber having a first volume and a second plurality of resonators of the plurality of resonators have second resonator chambers with each second resonator chamber having a second volume that is greater than the first volume; and wherein the first plurality of resonators have a first set of respective end caps and the second plurality of resonators have a second set of respective end caps, wherein each respective end cap of the first set of respective end caps comprises a first height and each respective end cap of the second set of respective end caps comprises a second height which is greater than the first height, thereby causing the second volume to be greater than the first volume. a combustor liner defining an interior combustion chamber and a hot gas path and comprising a first liner section having an upstream end and a second liner section that is affixed to the upstream end of the first liner section; a thermal barrier coating disposed along inner surfaces of the first and second liner sections; a plurality of resonators formed on an exterior of the first liner section and comprising a plurality of circumferentially arranged arrays of apertures in the first liner section that have neck lengths such that each aperture extends through the first liner section and the thermal barrier coating; wherein each respective resonator of the plurality of resonators comprises a respective array of apertures of the plurality of circumferentially arranged arrays of apertures, with each respective array of apertures being surrounded by respective one or more outwardly projecting sidewalls that are integrally formed with the first liner section, wherein a thickness of the first liner section respectively within the respective one or more outwardly projecting sidewalls of each respective resonator is less than a thickness of the first liner section respectively immediately outside the respective one or more outwardly projecting sidewalls; wherein each respective resonator further comprises a respective end cap (123A, 123B) affixed to the respective one or more sidewalls surrounding the respective array of apertures and each respective end cap is affixed to a respective site on the respective one or more sidewalls spaced radially outward from an outer surface of the first liner section; wherein a first plurality of resonators of the plurality of resonators have first resonator chambers with each first resonator chamber having a first volume and a second plurality of resonators of the plurality of resonators have second resonator chambers with each second resonator chamber having a second volume that is greater than the first volume; and wherein the first plurality of resonators have a first set of respective end caps and the second plurality of resonators have a second set of respective end caps, wherein each respective end cap of the first set of respective end caps comprises a first height and each respective end cap of the second set of respective end caps comprises a second height which is greater than the first height, thereby causing the second volume to be greater than the first volume.