15. What’s the difference between raga Purvi and raga Puriya Dhanashree?

What's the difference between raga Purvi and raga Puriya Dhanashree?

a. Both these ragas belong to so called Purvi thaat.
b. According to some, there are 13 fairly known ragas in this thaat, Purvi being the thaat raga.
c. This leaves 12 ragas, out of which, 4 are achhop ragas which are – Tanki, Malvi, Triveni and Deepak.
d. Balance 8 ragas can be structured into 4 pairs each having 2 ragas with similar notes.
These are:
i. Reva/Bibhas
ii. Shree/Jaitshree
iii. Gauri/Puriya dhanasri
iv. Paraj /Basant.
e. The main difference between Purvi and Puriya Dhanashri is:
i. The use of shuddha Madhyam in Purvi.
ii. Aroh in both ragas is almost the same except that Puriya Dhanashri does not move as Dha-Ni- Sa but Dha-Ni-Re- Sa
iii. Ni- Re- Ni-Dha- Ni with both starting and ending Ni, in lower octave, is the catch phrase in Puriya Dhanashri.
f. Use of shuddha Madhyam in Purvi can be:
i. Pa- Ma (tivra)-Ga- Ma- Ga or
ii. b. Pa- Ma (tivra)- Ga- Ma- Re- Ga or
iii. c. Pa- Ma (tivra) Ga- Ma – Re- Ma- Ga.
Some take the liberty of using Pa- Ma (tivra) Ma- Ga.
g. Essentially Purvi moves around Gandhar while Puriya Dhanashri moves around Pancham.
Please note: Shree pairs with Gauri and Puriya Dhanashri pairs with Jaitshree.