Words to Describe leitmotiv

How leitmotiv often is described ("________ leitmotiv")

• third
• subtle
• principal
• single
• chief
• same
• central
• recurring
• relevant
• characteristic
• homeric
• real
• common
• persistent
• important
• soviet
• perfect
• main
• second
• constant
• thin
• new
• true
• psychological
• veritable
• familiar
• recurrent
• dominant
• fundamental
• literary
• musical
• very
• significant
• major
• wagnerian
• leading