▁calcul ators ▁to ▁design ▁their ▁instruments , ▁or ▁use ▁dimensions ▁provided ▁by ▁other ▁fl ute ▁mak ers . ▁ ▁Material s ▁▁ ▁Native ▁American ▁fl utes ▁were ▁tradition ally ▁craft ed ▁of ▁a ▁wide ▁range ▁of ▁materials , ▁including ▁wood ▁( ced ar , ▁juni per , ▁wal nut , ▁cher ry , ▁and ▁red wood ▁are ▁common ), ▁b am bo o , ▁and ▁river ▁can e . ▁Fl ute ▁mak ers ▁from ▁ind igen ous ▁cult ures ▁would ▁often ▁use ▁anything ▁that ▁could ▁be ▁converted ▁or ▁made ▁into ▁a ▁long ▁h ollow ▁bar rel , ▁such ▁as ▁old ▁gun ▁bar rel s . ▁ ▁Po etic ▁imag ery ▁regarding ▁the ▁c oven ant ▁between ▁fl ute ▁mak er ▁and ▁player ▁was ▁provided ▁by ▁Kevin ▁Lock e ▁in ▁the ▁Song keep ers ▁video : ▁ ▁Contempor ary ▁Native ▁American ▁fl utes ▁continue ▁to ▁use ▁these ▁materials , ▁as ▁well ▁as ▁pl ast ics , ▁cer am ic , ▁glass , ▁and ▁more ▁ex otic ▁hard wood s ▁such ▁as ▁eb ony , ▁pad au k , ▁and ▁te ak . ▁ ▁Vari ous ▁materials ▁are ▁chosen ▁for ▁their ▁a rom atic ▁qual ities , ▁work ability , ▁strength ▁and ▁weight , ▁and ▁compatibility ▁with ▁construction ▁materials ▁such ▁as ▁gl ue ▁and ▁various ▁finish es . ▁Although ▁little ▁objective ▁research ▁has ▁been ▁undert aken , ▁there ▁are ▁many ▁subject ive ▁opinions ▁expressed ▁by ▁fl ute ▁mak ers ▁and ▁players ▁about ▁the ▁sound ▁qual ities ▁associated ▁with ▁the ▁various ▁materials ▁used ▁in ▁Native ▁American