A system comprising: at least one lead (16A, 16B) comprising: a first combination of electrodes including at least one anodic electrode (116A - 116D) and at least one cathodic electrode (118A - 118D); and a second combination of electrodes including at least one anodic electrode (116A - 116D) and at least one cathodic electrode (118A - 118D), wherein none of the electrodes of the second combination of electrodes are common with any of the electrodes of the first combination of electrodes; and an implantable medical device comprising: stimulation generation circuitry configured to: generate first electrical stimulation pulses at a first frequency greater than approximately 600 Hertz and less than approximately 1,500 Hertz; and generate second electrical stimulation pulses at a second frequency greater than approximately 600 Hertz, less than approximately 1,500 Hertz, and on a time-interleaved basis with the first electrical stimulation pulses such that the first and second stimulation pulses form a combined pulse train with a combined pulse frequency of greater than approximately 1,500 Hertz; and processing circuitry configured to: control delivery of the first electrical stimulation pulses to a patient via the first combination of electrodes; and control delivery of the second electrical stimulation pulses to a patient via the second combination of electrodes. a first combination of electrodes including at least one anodic electrode (116A - 116D) and at least one cathodic electrode (118A - 118D); and a second combination of electrodes including at least one anodic electrode (116A - 116D) and at least one cathodic electrode (118A - 118D), wherein none of the electrodes of the second combination of electrodes are common with any of the electrodes of the first combination of electrodes; and an implantable medical device comprising: stimulation generation circuitry configured to: generate first electrical stimulation pulses at a first frequency greater than approximately 600 Hertz and less than approximately 1,500 Hertz; and generate second electrical stimulation pulses at a second frequency greater than approximately 600 Hertz, less than approximately 1,500 Hertz, and on a time-interleaved basis with the first electrical stimulation pulses such that the first and second stimulation pulses form a combined pulse train with a combined pulse frequency of greater than approximately 1,500 Hertz; and processing circuitry configured to: control delivery of the first electrical stimulation pulses to a patient via the first combination of electrodes; and control delivery of the second electrical stimulation pulses to a patient via the second combination of electrodes. stimulation generation circuitry configured to: generate first electrical stimulation pulses at a first frequency greater than approximately 600 Hertz and less than approximately 1,500 Hertz; and generate second electrical stimulation pulses at a second frequency greater than approximately 600 Hertz, less than approximately 1,500 Hertz, and on a time-interleaved basis with the first electrical stimulation pulses such that the first and second stimulation pulses form a combined pulse train with a combined pulse frequency of greater than approximately 1,500 Hertz; and generate first electrical stimulation pulses at a first frequency greater than approximately 600 Hertz and less than approximately 1,500 Hertz; and generate second electrical stimulation pulses at a second frequency greater than approximately 600 Hertz, less than approximately 1,500 Hertz, and on a time-interleaved basis with the first electrical stimulation pulses such that the first and second stimulation pulses form a combined pulse train with a combined pulse frequency of greater than approximately 1,500 Hertz; and processing circuitry configured to: control delivery of the first electrical stimulation pulses to a patient via the first combination of electrodes; and control delivery of the second electrical stimulation pulses to a patient via the second combination of electrodes.