drum 'n' bassdrum 'n' bass /ˌdrʌm ən ˈbeɪs/ noun [uncountable] 
a type of electronic dance music with a very hard fast beat
a type of electronic dance music with a very hard fast beat- hard-working
- hardy
- Hardy Boys
- Hardy, Oliver
- hardy perennial
- Hardy, Thomas
- hare
- Hare and the Tortoise, The
- hare-brained
- Hare Krishna
- harelip
- harem
- harem pants
- Hargreaves, James
- haricot
- Hari, Mata
- hark
- harken
- Hark! The Herald Angels Sing
- Harlem
- Harlem Globetrotters
- harlequin
- Harlequin Romance
- Harley-Davidson
- Harley Street