======================== unified (from filesystem) ========================
                                         'bitrate'  '187.732'
                                        'duration'  '367'
                                          'artist'  'Jennifer Lopez'
                                     'text_people'  ''
                                         'release'  'On the 6 Bonus remix CD'
                                           'title'  'If you had my love (Metro remix)'
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                                      'lastfmtags'  "['dance', 'rnb', 'latin', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.008'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:CDDB Disc ID:XXX'                             '3D06D305'
'COMM:ID3v1 Comment:XXX'                            '3D06D305'
'TALB' (Album/Movie/Show title)                     'On the 6 Bonus remix CD'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'If you had my love (Metro remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jennifer Lopez'
'TRCK' (Track number/Position in set)               '2/5'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.478722'

========================== row from database ==========================
                                              'id'  1296984
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jennifer Lopez/On the 6 Remix/Jennifer Lopez - If you Had my Love (Metro Remix) - 02.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  367
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8633543
                                           'mtime'  1621696303
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Remix Had Love Remix) 02 electronic generic or radio dance
                                      'tag_artist'  Jennifer Lopez
                                     'tag_release'  On the 6 Bonus remix CD
                                       'tag_title'  If you had my love (Metro remix)
                                             'bpm'  128.008
                                    'search_title'  'had':3 'if':1 'love':5 'metro':6,7 'my':4 'remix':8,9 'you':2
                                   'search_artist'  'jennifer':1 'lopez':2
                                  'search_release'  '6':3 'bonus':4 'cd':6 'on':1 'remix':5 'the':2
                                     'search_rest'  '00poprockelectronic':1 'dance':10 'electronic':6 'generic':7 'had':3 'love':4 'or':8 'radio':9 'remix':2,5
                                    'search_combo'  '00poprockelectronic':18 '6':14C 'bonus':15C 'cd':17C 'dance':27 'electronic':23 'generic':24 'had':3A,20 'if':1A 'jennifer':10B 'lopez':11B 'love':5A,21 'metro':6A,7A 'my':4A 'on':12C 'or':25 'radio':26 'remix':8A,9A,16C,19,22 'the':13C 'you':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696302.5454757  (2021-05-22 17:11:42)
                             'size'  8633543