Ti`m Ho+.p A^m Cho Ba`i Nha.c

Ti`m ho+.p a^m cho ba`i nha.c ddo^i khi kho^ng de^~, va` thu+o+`ng chi? tu+o+ng ddo^'i ma` tho^i. Nha.c co^ng hay ngu+o+`i cho+i nha.c tu+. quye^'t ddi.nh ca'c ho+.p a^m sao cho ho+.p vo+'i ba`i nha.c, va` la`m sao cho ba`i nha.c hay va` co' ho^`n. Co' ra^'t nhie^`u ca'ch thu+'c ti`m ho+.p a^m cho 1 ba`i nha.c. Va` du+o+'i dda^y la` 2 ca'ch thu+'c (theo kinh nghie^.m cu?a TheBad) dde^? ti`m ho+.p a^m cho 1 ba`i nha.c

Ti`m ho+.p a^m cho 1 ba`i nha.c khi nghe CD/mp3/cassette

Khi nghe 1 ba`i nha.c va` muo^'n ti`m ho+.p a^m cho ba`i ddo' thi` thu+o+`ng TheBad du`ng guitar ga?y no^'t theo tie^'ng ha't hay tie^'ng dda`n dde^.m/solo cu?a ba`i nha.c ddo'. Ne^'u ba`i nha.c kho^ng co' no^'t tha(ng (#) hay no^'t gia?m (b), thi` ba`i nha.c thu+o+`ng co' nhu+~ng ho+.p a^m sau dda^y:
       
Minor: Am Dm Ey
Major: C  F  Gy

y = m or m7 or 7 or blank ...
La`m sao chu'ng ta bie^'t ddu+o+.c nhu+ va^.y ? DDa^y la` mo^.t phu+o+ng pha'p dde^? ti'nh gia ddi`nh ho+.p a^m (chord families, ne^'u ba.n muo^'n bie^'t the^m chi tie^'t, xin ba.n ddo.c sa'ch nha.c ly' ve^` advanced music theories)
               
       x        x  x
step:  1  2  3  4  5
Minor: Am Bm Cm Dm Ey
      
       x        x  x 
step:  1  2  3  4  5 
Major: C  D  E  F  Gy

Chu'ng ta nho+' la` gia ddi`nh ho+.p a^m ddu+o+.c bao go^`m ho+.p a^m me. (step 1) va` ca'c ho+.p a^m phu. o+? step 4 va` step 5. DDa^y chi? la` mo^.t phu+o+ng pha'p ta.m tho^i, chu+' ho+.p a^m trong a^m nha.c kho^ng co^' ddi.nh. Co' nghi~a la` 1 ba`i nha.c co' the^? co' nhie^`u ho+.p a^m kha'c nhau, tuy` theo ta'c gia? quye^'t ddi.nh. Duc Huy thu+o+`ng du`ng ca'c ho+.p a^m Sus4 hoa.c Maj7 etc.

La`m sao bie^'t ddu+o+.c ho+.p a^m me. ? Mo^.t ba`i nha.c tho^ng thu+o+`ng co' pha^`n minor (thu+') va` major (tru+o+?ng). Ne^'u ba.n nhi`n trong Bo^. Kho'a thi` ba.n se~ bie^'t khi na`o pha?i du`ng dde^'n ho+.p a^m me. na`o cho ho+.p !
Thi' du. 

Ne^'u ba`i nha.c co' 2 no^'t tha(ng (#Fa va` #Do) thi` ho+.p a^m me. la`:

Minor: Bm
Major: D

Va` ho+.p a^m gia ddi`nh la`: 

Minor: Bm(1) Em(4) F#y(5)
Major: D(1)  G(4)  Ay(5) 


Ta.i vi`: 
       
       x         x  x
Step:  1  2   3  4  5
Minor: Bm C#m Dm Em F#y  (F#y , vi` no^'t Fa co' da^'u tha(ng (#))

       x         x  x
Step:  1  2  3   4  5
Major: D  E  F#  G  Ay

y = m or m7 or 7 or blank ...

Xin ba.n xem the^m trong Bo^. Kho'a

Ti`m ho+.p a^m cho 1 ba`i nha.c, co' no^'t nha.c nhu+ng thie^'u ho+.p a^m

Pha^`n na`y cu~ng gio^'ng pha^`n tre^n, nhu+ng ddo+~ ho+n la` chu'ng ta kho^ng ca^`n mo` no^'t nha.c va` dde^'m ti`m nhi.p ! Chu'ng ta chi? ca^`n nhi`n va`o Bo^. Kho'a va` ti`m ra ngay ca'c ho+.p a^m me. va` sau ddo' ti'nh ra ca'c ho+.p a^m phu. co`n la.i theo phu+o+ng thu+'c step 1, step 4 va` step 5 nhu+ pha^`n tru+o+'c dda^y.

Thi' du. ba`i nha.c: Em O+i Ha` No^.i Pho^' ! Nhi`n le^n no^'t nha.c, chu'ng ta tha^'y co' 2 da^'u gia?m (bSi va` bMi). Chu'ng ta theo Bo^. Kho'a va` ti`m ra ho+.p a^m me. la`:

Minor: Gm
Major: Bb  (Bb vi` co' bSi)

Vi` va^.y gia ddi`nh ho+.p a^m cho ba`i Em O+i Ha` No^.i Pho^' co' the^? co' nhu+~ng ho+.p a^m:
Minor: Gm(1) Cm(4) Dy(5)
Major: Bb(1) Eb(4) Fy(5)   (Eb, vi` co' bMi)


Ta.i vi`:

       x         x  x 
Step:  1  2  3   4  5
Minor: Gm Am Bbm Cm Dy

       x        x   x
Step:  1  2  3  4   5 
Major: Bb C  D  Eb  Fy

y = m or m7 or 7 or blank ...



Ngoa`i ra ca'c ho+.p a^m co' the^? co' sus2, sus4, 7sus4, maj7, dim etc ... Va` ra^'t thu+o+`ng ca^`n dde^'n nhu+~ng ho+.p a^m ngoa.i le^. ! Va^.y khi ti`m ho+.p a^m cho 1 ba`i nha.c, chu'ng ta ne^n la('ng nghe ba`i nha.c ky~ lu+o+~ng !

Copyright 2001, www.pvv.ntnu/~thangdu/music or www.geocities.com/tannhac