1) Deserving more credit 2) Helmet Meantime smash 3) Lacking praise 4) Lauded little 5) Like many heroes 6) Like some deserving heroes 7) Like some heroes 8) Like some modest heroes 9) Not acclaimed 10) Not celebrated 11) Not celebrated or praised 12) Not famous or acclaimed 13) Not famous or acclaimed, hero 1) Unacknowledged 2) Unvalued 
[adj] - not rendered in song