▁in ▁ 1 6 9 8 ▁and ▁the ▁second ▁in ▁ 1 7 0 2 . ▁In ▁the ▁pre face ▁to ▁the ▁first ▁volume , ▁Henry ▁Play ford , ▁the ▁printer ▁of ▁the ▁volume ▁and ▁the ▁son ▁of ▁the ▁famous ▁John ▁Play ford , ▁ext oll s ▁Pur cell ' s ▁skill ▁as ▁set ter ▁of ▁English ▁texts . ▁ ▁The ▁portrait ▁on ▁the ▁front isp ie ce ▁was ▁based ▁on ▁John ▁C lost erman ' s ▁portrait ▁of ▁Pur cell , ▁currently ▁in ▁the ▁National ▁Port rait ▁Gallery . ▁ ▁The ▁first ▁publication ▁of ▁a ▁section ▁of ▁Pur cell ' s ▁opera ▁D ido ▁and ▁A ene as ▁was ▁the ▁air ▁" Ah ! ▁Bel inda " ▁in ▁Or phe us ▁Britann icus , ▁trans posed ▁up ▁one ▁step , ▁from ▁C ▁to ▁D . ▁ ▁Henry ▁Hall , ▁who ▁had ▁studied ▁composition ▁with ▁Pur cell ▁under ▁John ▁B low , ▁wrote ▁the ▁dedic atory ▁po ems ▁at ▁the ▁beginning ▁of ▁each ▁volume , ▁( 1 6 9 8 ▁and ▁ 1 7 0 2 ) ▁and ▁also ▁wrote ▁one ▁for ▁B low ' s ▁Am ph ion ▁Ang lic us . ▁ ▁The ▁later ▁ 1 7 0 6 ▁London ▁printing ▁of ▁Or phe us ▁Britann icus ▁by ▁William ▁Pear son ▁util ized ▁a ▁new ▁style ▁of ▁music ▁printing ▁to ▁great ▁success , ▁where ▁the ▁note head ▁was ▁in ▁one ▁piece ▁with ▁the ▁background ▁staff . ▁ ▁John ▁B low ' s ▁Am ph ion ▁Ang lic us ▁( 1 7