the first operas were based on

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
the first operas were based on	0.18	0.4	6574	71	30
the	1.75	0.9	2329	70	3
first	0.68	0.8	2071	75	5
operas	1.69	0.7	1890	88	6
were	1.68	0.1	4187	31	4
based	1.33	0.1	2676	29	5
on	0.42	1	3214	84	2

Keyword	CPC	PCC	Volume	Score
the first operas were based on	0.92	0.8	3441	82
the first operas were produced around	0.38	0.3	9950	42
the first operas were inspired by	0.12	0.5	2331	84
early opera stories were based on what	0.36	0.9	1705	12
the first ever operas were written around	0.25	0.3	8640	79
when were the first operas composed	1.46	0.7	778	34
the earliest operas were performed in	0.89	0.6	1661	22
when were operas created	0.57	0.4	7105	71
the first opera was	1.59	0.3	3194	63
what is considered the first opera	0.48	1	9616	9
what is opera based on	0.22	0.5	9718	21
opera was first introduced	0.78	0.6	9355	100
the origins of opera	1.07	0.4	7320	22
where did the opera originate	1.77	0.1	3320	77
how did opera begin	1.33	0.5	8958	51
the history of opera	1.46	0.5	9173	71
how did opera start	1.9	0.2	9794	87