1. unmemorable - Adjective
2. unmemorable - Adjective Satellite
not worth remembering
Source: WordNetAmongst other things (namely formulaic structures and uninteresting villains), Marvel films have been plagued with unmemorable soundtracks and/or film scores. Source: Internet
There were a few slow spots but damn, I was tapping my feet to the songs, even if they were unmemorable. Source: Internet