Search found 173 matches

by IaNerd
Tue Feb 13, 2018 2:24 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: Spreadsheet for calculating chord frequencies *REVISED*
Replies: 13
Views: 354

Re: Spreadsheet for calculating chord frequencies *REVISED*

Clearly, our auditory system can distinguish and appreciate polyphony that is built on certain ratios of integers. Karl said: "Also, the ratio from the major 3rd to our subminor 7th is 7/5 = 1.4, which is the simplest (and therefore the smoothest sounding) ratio for the infamous tritonus, "the devil...
by IaNerd
Tue Feb 13, 2018 2:10 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: Spreadsheet for calculating chord frequencies *REVISED*
Replies: 13
Views: 354

Re: Spreadsheet for calculating chord frequencies *REVISED*

One way to read the table posted by Karl: In ET, the major third would be 400 cents (or 4 semitones) above the tonic (zero). But in JI, it is only 386 cents above the tonic; therefore, 14 cents flatter, or "offset" by -14 cents. A "compromise" tuning might flatten a major third only half that amount...
by IaNerd
Sun Feb 11, 2018 5:05 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: “Cumin Bob FiG CuD” tuning for 12-hole harp
Replies: 0
Views: 36

“Cumin Bob FiG CuD” tuning for 12-hole harp

NAME: “Cumin Bob FiG CuD” tuning for 12-hole harp BASIC CONCEPT: The original "Cumin Bob" tuning was designed especially for single-note and octave-split play. This is basically the same thing, except that it is built on a 12-hole format, and four useful chords occupy the last five chambers. All fo...
by IaNerd
Sat Feb 10, 2018 6:20 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: “Cumin Bob CoG” tuning for 10-hole harp
Replies: 0
Views: 41

“Cumin Bob CoG” tuning for 10-hole harp

NAME: “Cumin Bob CoG” tuning for 10-hole harp BASIC CONCEPT: The original "Cumin Bob" tuning was designed especially for single-note and octave-split play. This is basically the same thing, except that a Gmaj I chord a Cmaj IV chord occupy the last three chambers. In most of my previous "blues" tun...
by IaNerd
Sat Feb 10, 2018 6:12 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: "Cumin Bob” tuning for 10-hole harp
Replies: 0
Views: 31

"Cumin Bob” tuning for 10-hole harp

NAME: “Cumin Bob” tuning for 10-hole harp BASIC CONCEPT: This tuning is designed especially for single-note and octave-split play. I think it would be especially powerful if set up as low possible. In this example, which is intended for play in the key of G major, the pattern is to have a Bb major ...
by IaNerd
Fri Feb 09, 2018 9:32 am
Forum: Brendan's Custom Harmonicas, Tunings, etc
Topic: Power Chromatic in non-slider harps?
Replies: 4
Views: 374

Re: Power Chromatic in non-slider harps?

Brendan: Are notes in channels 1-3 repeated in 4-6?
by IaNerd
Wed Feb 07, 2018 9:12 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: Q: How to join two harps with magnets?
Replies: 4
Views: 129

Re: Q: How to join two harps with magnets?

Thanks, Alan. Could you please also share the dimensions? Would your next one be the same?
by IaNerd
Wed Feb 07, 2018 6:43 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: Spreadsheet for calculating chord frequencies *REVISED*
Replies: 13
Views: 354

Re: Spreadsheet for calculating chord frequencies *REVISED*

Wow, Karl! I will study your thoughtful response deeply!

Thank you so much!
by IaNerd
Tue Feb 06, 2018 9:51 pm
Forum: Interesting Alternative Harmonica Ideas
Topic: “CoG CuD” Neck Rack Tuning for 10-hole harp
Replies: 1
Views: 117

Re: “CoG CuD” Neck Rack Tuning for 10-hole harp

The 5 draw note and is shared between two chords: as a p erfect fifth for one chord and as a root for the other chord. Therefore, it can be tuned to ET and will sound good for both chords. None of the major third notes are shared; they can be tuned to ET -14 cents. None of the septimal minor seventh...