Playing all the keys fast down and up

[njimenez4u]

I am having trouble playing every single key in order down and up, it is required for some of the pieces i am attempting right now but i am just stuck, could anybody suggest tips or fingering of some sort, I would appreciate greatly so.

[quantum]

What exactly are you trying to do with the keys down and up?  Scales, arpeggios, chords, riffs, progressions?

Moving in the cycle of 5ths tends to place related keys closer together, as opposed to working chromatically.  Eg: C and G scales have more similar fingering than C and Db. 

[njimenez4u]

In Mozart's Fantasy, there is a part where you have to play all of the keys up in Presto, for example C-C#-D-D#-E-F-F#-G    etc all the way

[cheesypencil]

so basically a chromatic scale,

[njimenez4u]

yes

[fleetfingers]

Use your 3rd finger on black keys and 1st finger on white keys, but use your 2nd finger for C and F.

[njimenez4u]

Thank You very Much i apprecieate it greatly!

[fleetfingers]

You're welcome.