======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '236'
                                          'artist'  'The Sugarcubes'
                                     'text_people'  ''
                                         'release'  'Stick Around For Joy'
                                           'title'  'Hit'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'icelandic', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock', 'pop', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '143.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Stick Around For Joy'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Hit'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '236878'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sugarcubes'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Elektra'
'TRCK' (Track number/Position in set)               '2/10'
'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'                                  ['rock', 'pop', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'icelandic', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.619975'

========================== row from database ==========================
                                              'id'  1246505
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Sugarcubes/Stick Around For Joy/02 - hit.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  236
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5705561
                                           'mtime'  1636917205
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 02 hit ifs songwriter indie unsorted
                                      'tag_artist'  The Sugarcubes
                                     'tag_release'  Stick Around For Joy
                                       'tag_title'  Hit
                                             'bpm'  143.9
                                    'search_title'  'hit':1
                                   'search_artist'  'sugarcubes':2 'the':1
                                  'search_release'  'around':2 'for':3 'joy':4 'stick':1
                                     'search_rest'  '00singer':1 'eos':3 'hit':4 'ifs':5 'indie':6 'songwriter':2 'unsorted':7
                                    'search_combo'  '00singer':8 'around':5C 'eos':10 'for':6C 'hit':1A,11 'ifs':12 'indie':13 'joy':7C 'songwriter':9 'stick':4C 'sugarcubes':3B 'the':2B 'unsorted':14
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'icelandic', 'female vocalists', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  ['rock', 'pop', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1636917204.9396222  (2021-11-14 20:13:24)
                             'size'  5705561