Gambheera Nattai is an audava ragam that is a janyam of the 36th melakarta ragam Chala Nattai.
Arohanam: S G(3) M(1) P N(3) S
Avarohanam: S N(3) P M(1) G(3) S
PNPPNSNPPNSGSNPPNSGMGSNPPNSGMPMGSNPPNSGMPNPMGSNPPNSGMPNSNPMGSNPPNSGMPNSGSNPMGSNPPNSGMPNSGMGSNPMGSNPPNSGMPNSGMPMGSNPMGSNPPNSGMPNSGMGSNPMGSNPPNSGMPNSGSNPMGSNPPNSGMPNSNPMGSNPPNSGMPNPMGSNPPNSGMPMGSNPPNSGMGSNPPNSGSNPPNSNPPNP||PNSG NSGM SGMP GMPN | MPNS PNSG NSGM SGMP||||PMGS MGSN GSNP SNPM | NPMG PMGS MGSN GSNP||1) ||GGMM GGS, GGGG S,S, | GGM, MMG, MMMM GMG,|| ||GMPN NNP, NNSS NNP, | NNNN S,,, SSNN SSN,||2) ||P,NN S,G, SSGG MGS, | MGGS SNNP SSNN P,MG|| ||S,,, ,,,, ,,,, ,,,, | ,,,, ,,,, ,,,, ,,,,||3) ||SGMG SGMP MGMP NPMP | NSNP SNP, SNP, NPM,|| ||NPM, PMG, PMG, MGS, | MGS, NSG, ,SNS GMGS|| ||GMPM PNSN PMPN SNPN | SNPN SSGM GSGM PNSN|| ||PNSS SSSG GGGM MMMP | PPPN NNNS SSSS SSSN|| ||NNNP PPPM MMMG GGGS | SSSS S,SG GGGG G,GM|| ||MMMM M,MP PPPP P,PN | NNNN N,NS SSSS S,NN|| ||,PPN N,PP ,MMP P,MM | ,GGM M,GG ,SSS S,SS|| ||SGG, GGGM M,MM MPP, | PPPN N,NN NSS, SSSS|| ||SSSS SSSN NNNN NNNP | PPPP PPPM MMMM MMMG|| ||GGGG GGGS SSSS SSSS | GMPN S,SN PMGS ,NSG|| ||MPN, NPMG SN,P NSGM | P,PM GSNP ,PNP PNSN|| ||NSGS SGMG ,,,, ,,,, | ,,,, ,,,, ,,,, ,,,,||||S,,G SGS, G,M, G,,, | GGMM GGMM G,SG S,,,||||SGMG SN,, P,SS P,SS | PNSG MGSN P,,, P,,,||||P,,, GP,, P,M, G,,, | SGMP ,,MG SNPN S,,,||||P,SS P,SS P,,, P,,, | PMGM PSSS S,,, S,,,||||P,SS G,,, SGSG S,,, | SGMG SGMG S,GM G,,,||||MGMG GSGS SGMG S,,, | MNSG MGSN PMGM G,,,||||GGG, MMM, PPP, N,,, | SSNN SSP, NNPP MMG,||||MMMP PPNN S,,G S,,, | GGSS NNPP MMGG S,,,||When playing the lesson, repeat each line twice.