======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '515'
                                          'artist'  'Sigur Rós'
                                     'text_people'  ''
                                         'release'  'Sigur Rós'
                                           'title'  '[E-Bow]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'icelandic', 'post rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '94.680'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sigur Rós'
'TBPM' (BPM (beats per minute))                     '94.680'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         '[E-Bow]'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sigur Rós'
'TRCK' (Track number/Position in set)               '6'
'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:lastfmtags'                                   ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.354728'

========================== row from database ==========================
                                              'id'  1346949
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sigur Ros/06-sigur_ros-untitled-its.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  515
                                           'genre'  electronic-ambient
                                        'filesize'  12366491
                                           'mtime'  1636911174
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Ros 06 sigur_ros untitled its electronic ambient
                                      'tag_artist'  Sigur Rós
                                     'tag_release'  Sigur Rós
                                       'tag_title'  [E-Bow]
                                             'bpm'  94.68
                                    'search_title'  'bow':2 'e':1 'ebow':3
                                   'search_artist'  'ros':2,3 'sigur':1
                                  'search_release'  'ros':2,3 'sigur':1
                                     'search_rest'  '00poprockelectronic':1 'ambient':8 'electronic':7 'its':6 'ros':2,4 'sigur':3 'untitled':5
                                    'search_combo'  '00poprockelectronic':10 'ambient':17 'bow':2A 'e':1A 'ebow':3A 'electronic':16 'its':15 'ros':5B,6B,8C,9C,11,13 'sigur':4B,7C,12 'untitled':14
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911173.6971626  (2021-11-14 18:32:53)
                             'size'  12366491