In 1968 Four Jacks & a Jill took the Dave Marks composition 'Master Jack' into the Billboard Hot 100 and the Easy Listening Charts in the USA. The album of the same name also made the Top 200 Album chart. Here is the complete chart history of this song and album:

(* - Denotes highest position)

DATE	Hot 100 Position	Easy Listening Position	Album Chart Position
23-Mar-68	-	27	-
30-Mar-68	94	21	-
06-Apr-68	94	18	-
13-Apr-68	93	18	-
20-Apr-68	76	15	-
27-Apr-68	75	15	-
04-May-68	63	8	-
11-May-68	43	6	-
18-May-68	31	5	-
25-May-68	30	5	-
01-Jun-68	23	3*	-
08-Jun-68	18*	3*	-
15-Jun-68	23	12	-
22-Jun-68	30	13	199
29-Jun-68	38	14	179
06-Jul-68	-	27	155*
13-Jul-68	-	-	155*
20-Jul-68	-	-	161
27-Jul-68	-	-	171

Later that same year, their second US hit 'Mr Nico' made the Hot 100 and the Easy Listening Charts:

(* - Denotes highest position)

DATE	Hot 100 Position	Easy Listening Position	Album Chart Position
10-Aug-68	98	31	-
17-Aug-68	96*	26	-
24-Aug-68	-	25*	-
31-Aug-68	-	34	-
07-Sep-68	-	37	-