======================== unified (from filesystem) ========================
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                                        'duration'  '118'
                                          'artist'  'The Go! Team'
                                     'text_people'  ''
                                         'release'  'Thunder, Lightning, Strike'
                                           'title'  'Feelgood by Numbers'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'electronic', 'indie rock']"
                                     'discogstags'  ("['electronic', 'hip hop', 'rock', 'leftfield', 'indie rock', 'breaks', "
 "'disco', 'cut-up/dj', 'electro']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '92.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'Thunder, Lightning, Strike'
'TBPM' (BPM (beats per minute))                     '92.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Feelgood by Numbers'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Go! Team'
'TPE2' (Band/orchestra/accompaniment)               'The Go! Team'
'TPUB' (Publisher)                                  'Memphis Industries'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'hip hop',
 'rock',
 'leftfield',
 'indie rock',
 'breaks',
 'disco',
 'cut-up/dj',
 'electro']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'electronic', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.385854'

========================== row from database ==========================
                                              'id'  1342267
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Go Team/Thunder, Lightning, Strike/03 - feelgood by numbers.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  118
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2847775
                                           'mtime'  1622759951
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 feelgood numbers ifs songwriter indie rock
                                      'tag_artist'  The Go! Team
                                     'tag_release'  Thunder, Lightning, Strike
                                       'tag_title'  Feelgood by Numbers
                                             'bpm'  92.6
                                    'search_title'  'by':2 'feelgood':1 'numbers':3
                                   'search_artist'  'go':2 'team':3 'the':1
                                  'search_release'  'lightning':3,4 'strike':5 'thunder':1,2
                                     'search_rest'  '00poprockelectronic':1 'feelgood':2 'ifs':4 'indie':6 'numbers':3 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':12 'by':2A 'feelgood':1A,13 'go':5B 'ifs':15 'indie':17 'lightning':9C,10C 'numbers':3A,14 'rock':18 'songwriter':16 'strike':11C 'team':6B 'the':4B 'thunder':7C,8C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'electronic', 'indie rock']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'hip hop', 'rock', 'leftfield', 'indie rock', 'breaks', 'disco', 'cut-up/dj', 'electro']

============================== file details ==============================
                                           'mtime'  1622759950.7020354  (2021-06-04 00:39:10)
                             'size'  2847775