mermaiden have offered me help making this pattern
avaiable for free here at ravelry. so heere is the link: PIANO88Keys

PIANO (88keys)
With black: judy becker cast on 30x2 (I use two 40mm circulars) I forgot to so I accidentially casted on with white,

I also use 3yarn balls. one white, one black for the blak keys, and one black for the cast ons and for the “1 rows“. (for best yarncarry )

knit:
4 rows white
Next two rows: 10white 20black /20 black 10 white
1 row black
two rows: 10white 20black /20 black 10 white
4 rows white

(---->repeat following lines:)
1 row black
4 rows white
two rows: 10white 20black /20 black 10 white
1 row black
two rows: 10white 20black /20 black 10 white
2 rows white
two rows: 10white 20black /20 black 10 white
1 row black
two rows: 10white 20black /20 black 10 white
4 rows white

1 row black
4 rows white
two rows: 10white 20black /20 black 10 white
1 row black
two rows: 10white 20black /20 black 10 white
2 rows white
two rows: 10white 20black /20 black 10 white
1 row black
two rows: 10white 20black /20 black 10 white
2 rows white
two rows: 10white 20black /20 black 10 white
1 row black
two rows: 10white 20black /20 black 10 white
4 rows white

(<---repeat end)
1 row black
6 rows white

bindoff with black kitchenerstitch

the cast-on

Knitting on Two Circular Needles

the bind-off