To be quite professional ??

The second sentence may mean you were tutor of any subject; and a music
tutor is considered to be quite professional and is in the position to
help.

你的解釋/修正翻譯................
The second sentence ( 第二句句子) may mean ( 或許意思/可以解釋為)
you were tutor of any subject: ( 任何一subject 的你們教師: /你以前是任何科目的導師；) and a music tutor
is considered to be quite professional and is in the position to help.
( 同時,一個音樂教師被認為要相當professional 和一個需要幫助的位置./而一位音樂導師是被當作相當專業的，並處於幫助人的職位。 )

澄清後全句的解釋：
第二句可以解釋為你以前是任何科目的導師；而一位音樂導師是被視為相當專業的，並處於幫助人的職位。

第二句可能表達你是任一個科目的補習老師/助教(tutor並不是正式教師)；而一個音樂科的導師是應該甚為專業的，並且是有資格協助...

mean : 表示 … 的意思
tutor of any subject : 任何科目的教師
The second sentence may mean you were tutor of any subject:
第二句句子的意思也許表示你是任何科目的教師:

is considered: 被視為
in the position:身分
to help:幫忙
he is in the position to help:他的職責是幫忙
and a music tutor is considered to be quite professional and is in the position to help.
然而,一個音樂教師被視為相當專業的而且他的職責是幫忙

第二句句子既意思可能係假如你係一個教師; 同時,一個音樂教師係被視為professional 同埋係可以幫助其他人