Hi All,

ThumbJam, an iOS music performance app, is on sale at 86% off its regular $6.99 
price for four days (today, Friday June 15, 2012 through Monday June 18).   
Anyone who has or has considered Garageband on the iPhone, iPod Touch, or iPad, 
and any educators who are exploring iPad apps for music education purposes 
should be interested in this app.  The developer has done a fantastic job with 
the latest version of Thumbjam in implementing the direct touch feature that 
allows you to use this app to play and record music with VoiceOver turned on. 

You have an extensive choice of instrument sounds that you can select from the 
"Sound" button in the top left corner.  The app starts up with a default 
instrument preset of "Electric Guitar", but you can browse through an 
alphabetical list of all available sounds, or change the tab setting after 
double tapping "Change Instrument" to "Category", for example, to browse 
through instrument options by heading (e.g. "Acoustic", "Bass", "Brass", 
"Guitar", "Keyboard", "Percussion", "Strings", "Synth", or "Woodwind").  You 
can also download new sound/instrument samples that you can add to your app, 
and select from a huge range of scale types.    

Apart from the instrument and scale selection from the "Sound" button in the 
top left corner of the screen, you set your main options with buttons along the 
left side of the screen, starting with "Key controls" just below the "Sound" 
button.  You can hide the sidebar buttons after you configure the app.  The 
"Prefs" button in the bottom right corner has a switch button to turn the "Show 
Sidebar" to "off".   On the iPad, with its large playing area that I prefer for 
using this app, I generally leave the sidebar buttons up, for easy access to 
recording button options and toggling on/off a metronome, as an alternative to 
using the "Loop" button in the top right corner. To hide the main corner 
buttons for "Sound" (top left), "Loop" (top right), "Edit (bottom left), and 
"Prefs" (bottom right), you can double tap the "Edit" button in the bottom left 
corner and then double tap "Hide Menus".  The three other buttons in the top 
left, top right, and bottom right corners will disappear, and the "Edit" button 
in the bottom left will now be announced as "Menu".  To bring back the corner 
control buttons, do a double split tap on the "Menu" button in the bottom left 
corner.  (Touch the "Menu" button with one finger, and double tap on the screen 
with another finger.) 

This application has a staggering number of features and configurable options, 
but can also be used immediately in a very simple way.  There's also extensive 
help and support information both at the developer's web site and the 
associated user forums, and in the help information built into the app. Access 
this from the "Prefs" button at the bottom right corner, double tap the "Help" 
entry to bring up the "ThumbJam User Guide.

ThumbJam was recommended by a few users on the macvisionaries list two years 
ago and was subsequently discussed a few times on the viphone list.  At that 
time, while the controls were announced, they weren't labeled as buttons, and 
you had to turn VoiceOver off to play music.  Even then, users found the 
variety of sound effects that could be generated (tremolo, vibrato, pitch 
blends, etc.) simply by finger action, sliding touch along horizontal or 
vertical directions, or tilting the device, was quite impressive.  Version 2 
brought correct labeling of controls, but left out a few headings and labels 
that were previously announced (like the selected instrument and the scale and 
key -- these are now correctly announced since version 2.1; either do a two 
finger flick down or flick right from the "Loop" button in the top right 
corner, and you'll hear the instrument announced.  For the scale and key, 
either do a two finger flick down or flick right twice from the "Prefs" button 
in the bottom right corner, and you'll hear scale and key announced.)

Version 2.1 introduced direct touch.  When VoiceOver announces "Play area" 
(when you touch the center of the screen, or the right edge of the screen 
between the "Loop" and "Prefs" button), you can just start "playing" your 
instrument by directly touching the device without any need to disable 
VoiceOver.  

There's a review of ThumbJam up at the AppleVis site.  I believe that Victor 
Tsaran has been working with the developer, and may be able to comment on the 
detailed use of some of the other features, like recording.

I highly recommend this app, especially at the limited time, discounted price 
of $0.99.

HTH. Cheers,

Esther


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