======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '238'
                                          'artist'  'Modest Mouse'
                                     'text_people'  'Isaac Brock/Modest Mouse'
                                         'release'  'The Moon & Antarctica'
                                           'title'  '3rd Planet'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '84.280'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Moon & Antarctica'
'TBPM' (BPM (beats per minute))                     '84.280'
'TCOM' (Composer)                                   'Isaac Brock/Modest Mouse'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         '3rd Planet'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Modest Mouse'
'TPE2' (Band/orchestra/accompaniment)               'Modest Mouse'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.38 dB'
'TXXX:replaygain_track_peak'                        '0.392297'

========================== row from database ==========================
                                              'id'  1289307
                                            'path'  /data/Music/Bulk/00poprockelectronic/Modest Mouse/The Moon & Antarctica/01 - Modest Mouse - 3Rd Planet.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  238
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5735745
                                           'mtime'  1621851821
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 3Rd ifs songwriter indie unsorted
                                      'tag_artist'  Modest Mouse
                                     'tag_release'  The Moon & Antarctica
                                       'tag_title'  3rd Planet
                                             'bpm'  84.28
                                    'search_title'  '3rd':1 'planet':2
                                   'search_artist'  'modest':1 'mouse':2
                                  'search_release'  'antarctica':3 'moon':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '3rd':2 'ifs':3 'indie':5 'songwriter':4 'unsorted':6
                                    'search_combo'  '00poprockelectronic':8 '3rd':1A,9 'antarctica':7C 'ifs':10 'indie':12 'modest':3B 'moon':6C 'mouse':4B 'planet':2A 'songwriter':11 'the':5C 'unsorted':13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621851821.1164975  (2021-05-24 12:23:41)
                             'size'  5735745