1) Bass violins 2) Big strings 3) Big strings in the orchestra 4) Certain strings 5) Instruments for Ma 6) Instruments for Yo Yo Ma 7) Instruments for Yo-Yo Ma 8) Instruments in pits 9) Large instruments 10) Low-toned strings 11) Ma plucks them well 12) Ma uses them 13) Orchestra section 14) Orchestra strings 
• (pl. ) of Cello