Will Toledo sings “I’m so sick of: fill in the blank” on album opener ‘Fill in the Blank’ and that line sums up much of the content on Car Seat Headrest’s first full-band studio release. That line also could sum up the last week for Toledo too as he’s been encumbered by a copyright issue involving a sample of The Cars’ single ‘Just What I Needed’. In what could easily have encumbered a songwriter used to complete creative control and in his own words “working on an album right up to its drop date”. Toledo maintains his “everything is done…