Possible Clues:

• Like some passages in a symphony
• The graduate a short time in charge of certain subject
• Relating to a particular topic
• The thoughtless take car out, in accordance with recurrent idea
• Centred on an idea — MAs tackle it as a basic school subject
• Relating to particular subjects
• Relating to a subject -- one that's generally taught seeing ma's not around
• Like unmentionables here in broadcast chat item
• On subject of people (not US) 2 almost caught
• Like some puzzles in mathematics