Which is beneficial for young students to do in their spare time learning a musical instrument

Grammar and spelling errors:
Line 7, column 439, Rule ID: DID_BASEFORM[1]
Message: The verb 'could' requires the base form of the verb: 'perform'
Suggestion: perform
...l he did not make any mistake and could performed naturally on the stage. Apparently, pla...
^^^^^^^^^

Transition Words or Phrases used:
also, apparently, finally, first, furthermore, if, second, so, still, therefore, well, while, after all, for example, for instance, in addition, in conclusion

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 12.0 15.1003584229 79% => OK
Auxiliary verbs: 6.0 9.8082437276 61% => OK
Conjunction : 6.0 13.8261648746 43% => More conjunction wanted.
Relative clauses : 7.0 11.0286738351 63% => More relative clauses wanted.
Pronoun: 45.0 43.0788530466 104% => OK
Preposition: 50.0 52.1666666667 96% => OK
Nominalization: 14.0 8.0752688172 173% => OK

Performance on vocabulary words:
No of characters: 1863.0 1977.66487455 94% => OK
No of words: 359.0 407.700716846 88% => More content wanted.
Chars per words: 5.18941504178 4.8611393121 107% => OK
Fourth root words length: 4.35284910392 4.48103885553 97% => OK
Word Length SD: 2.8121484425 2.67179642975 105% => OK
Unique words: 196.0 212.727598566 92% => More unique words wanted.
Unique words percentage: 0.545961002786 0.524837075471 104% => OK
syllable_count: 572.4 618.680645161 93% => OK
avg_syllables_per_word: 1.6 1.51630824373 106% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 12.0 9.59856630824 125% => OK
Article: 0.0 3.08781362007 0% => OK
Subordination: 7.0 3.51792114695 199% => OK
Conjunction: 3.0 1.86738351254 161% => OK
Preposition: 7.0 4.94265232975 142% => OK

Performance on sentences:
How many sentences: 21.0 20.6003584229 102% => OK
Sentence length: 17.0 20.1344086022 84% => The Avg. Sentence Length is relatively short.
Sentence length SD: 26.5553800315 48.9658058833 54% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 88.7142857143 100.406767564 88% => OK
Words per sentence: 17.0952380952 20.6045352989 83% => OK
Discourse Markers: 7.52380952381 5.45110844103 138% => OK
Paragraphs: 5.0 4.53405017921 110% => OK
Language errors: 1.0 5.5376344086 18% => OK
Sentences with positive sentiment : 17.0 11.8709677419 143% => OK
Sentences with negative sentiment : 1.0 3.85842293907 26% => More negative sentences wanted.
Sentences with neutral sentiment: 3.0 4.88709677419 61% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.441523997934 0.236089414692 187% => OK
Sentence topic coherence: 0.131915128223 0.076458572812 173% => OK
Sentence topic coherence SD: 0.145097936112 0.0737576698707 197% => OK
Paragraph topic coherence: 0.250957268782 0.150856017488 166% => OK
Paragraph topic coherence SD: 0.0775866130546 0.0645574589148 120% => OK

Essay readability:
automated_readability_index: 11.6 11.7677419355 99% => OK
flesch_reading_ease: 54.22 58.1214874552 93% => OK
smog_index: 3.1 6.10430107527 51% => Smog_index is low.
flesch_kincaid_grade: 9.9 10.1575268817 97% => OK
coleman_liau_index: 12.53 10.9000537634 115% => OK
dale_chall_readability_score: 8.22 8.01818996416 103% => OK
difficult_words: 85.0 86.8835125448 98% => OK
linsear_write_formula: 8.5 10.002688172 85% => OK
gunning_fog: 8.8 10.0537634409 88% => OK
text_standard: 9.0 10.247311828 88% => OK
What are above readability scores?

---------------------

Rates: 76.6666666667 out of 100
Scores by essay e-grader: 23.0 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.