Testimonials - Buyers' feedback from around the world





All Is well! The instrument arrived complete!

This instrument is an inspiration for me to explore the many wonders of Indian classical music. Thanks to you for your informative study topics on the web site, what a revelation of the inherent structures within the ragas.

I am also using the swar systems computer software swarshala to create accompaniment for the Harmonium.

Thanks once again.

My Regards,







Thank you Dr. Oke. Keep up your good work. You are a God sent blessing to us..the music lovers all over the world. I do not have adequate words to praise you. Maa Saraswati's blessings are with you. I am deeply impressed with your dedication and knowledge.
with regards







Dear Dr. Oke,
I received the harmonium today -- I can't begin to thank you enough. I am a pianist who is obsessed with tuning (an unfortunate pairing!). As my Indian classical vocal study is limited, hearing all the shruti's is a slow and lifelong process. Finding an acoustic, non-stringed instrument tempered to pure intervals is virtually impossible. I've heard of antiques, but I've never had the opportunity to play them -- I'm embarrassed to admit that now your harmonium is in front of me I am dizzy with excitement.
I hope I get the chance to visit Mumbai and thank you in person someday.
Hope this finds you well, and again -- thank you! Cheers,







It sounds beautiful. I'm playing around in Yaman at the moment and it's making me wish I could get the higher shuddh re on my flute! But at least I can aim to master the komal shrutis. I'm sure my understanding of Indian tuning will improve much faster with the help of your instrument.







Before I bought the 22 shruti harmonium, I had read about Dr. Oke and his research, and also read through quite a bit of the mathematical foundations of his research on his website. I was pretty excited about the concept, and decided to get the harmonium for myself. I was very pleased with the making of the harmonium, the sound quality, and, above all, the exact tuning. It is truly a precision instrument, and totally delivers on the promise of the sound (pun intended) theoretical research that has gone into its design.

A few words about the concept itself - given the amount of variation found in the specific choice of shrutis among the leading singers or instrumental soloists, I'm somewhat skeptical about the 'absoluteness' of rules around choosing a particular shruti for a given swara in a given raaga. However, for the first time, harmonium players now have a choice. And it's always great to have a choice.







22-Shruti-Harmonium designed by yourself is a complete musical instrument suitable for Indian Classical Music for Solo as well as for Accompaniment.

It has eliminated all the errors of the Equitempered scale, rather a classical singer now will know about the correct shrutis of a raga when he or she sings with the accompaniment of this 22-Shruti-Harmonium, and the music heard by people will be in a pure form which will enrich all in knowing about the nature of a raga and it's beauty.

An exellent contribution for the Indian classical music.







It is a great feeling to play this harmonium, especially so when you can see the different Samvads (Consonances) you get for different Ragas by pulling appropriate stoppers.

We have played it with few singers and feedback has been positive. In general, I think it is a great thing to be able to reproduce correct shrutis.







I just received the new harmonium and am extremely pleased with it. The tuning is excellent and the sound quality is directly from heaven. What a fantastic rich male tone in the reeds. I'm so happy, I cannot stop playing it. I especially enjoy singing down to the Mandra Sa and staying there a while it's a very meditative and therapeutic experience.

The overall quality of the harmonium is impeccable. The keys are very smooth and lend themselves to playing rapid taans with ease. The finish is beautiful with a lot of attention to detail. I can tell, this instrument is not only beautiful, it is solidly built to provide lifelong service. All the Raags sound absolutely celestial on this instrument. My singing accuracy is going to benefit immensely. On this harmonium, the perfect harmony of the Indian Shruti based chords (even though in a single scale) is so spiritually uplifting that I may never feel the need to listen to anything else.

Absolutely amazing job! Dr. Vidyadhar. Thank you very much for all your research and historical contribution to Indian Classical Music, which has culminated in the birth of such a heavenly musical instrument.

No need retire to a cave in the Himalayas, this harmonium is the one true path to Nirvana !! In my mind, this instrument has transcended the bounds of the Harmonium. For me it is NIRVANIUM !







When I heard about this concept, I was quite fascinated and wanted to be a part of this project & experience. Upon acquiring the instrument, I have used it to accompany vocalists in one on one settings and concerts.

The least I can say is; it immensely helps enrich overall musical experience. The major factor contributing to this is the ability to play the 'natural' tones or swars which complement the Raag being presented. It is also delightful to listen to various consonant swars together within the Raag in perfect synch, which is impossible with traditional harmoniums. We also experimented with two Raags sung back to back that have the same swars but different shrutis. It is amazing to notice the value this instrument brings in such a presentation.

Switching the shruti selection is fairly easy and logical. Given the perfect and recurring rations and positions of shrutis within the octave, even though the instrument is tuned and calibrated to one root note (shadja), the same can be practically used to support scales with Madhyam or Pancham as the Shadja.

I am looking forward to more of such enriching experiences as I continue to use this instrument in most concerts.





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