======================== unified (from filesystem) ========================
                                         'bitrate'  '251.245'
                                        'duration'  '246'
                                          'artist'  'Mum & Sjon'
                                     'text_people'  ''
                                         'release'  'MotorLab#2'
                                           'title'  'She Introduces Herself'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['icelandic', 'kitchenmotors', 'vocal manipulation', 'indie electronic', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '143.925'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'MotorLab#2'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         'She Introduces Herself'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mum & Sjon'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['icelandic',
 'kitchenmotors',
 'vocal manipulation',
 'indie electronic',
 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.419818'

========================== row from database ==========================
                                              'id'  1411810
                                            'path'  /data/Music/Bulk/00poprockelectronic/Apparat Organ Quartet & TF31IRA - motorlab#2/Mum & Sjon - 02 - She Introduces Herself - MotorLab#2.wma.mp3
                                         'working'  None
                                         'bitrate'  251
                                    'duration_sec'  246
                                           'genre'  rock-unsorted
                                        'filesize'  7736343
                                           'mtime'  1620389208
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Apparat Organ Quartet TF31IRA motorlab#2 02 MotorLab#2.wma rock unsorted
                                      'tag_artist'  Mum & Sjon
                                     'tag_release'  MotorLab#2
                                       'tag_title'  She Introduces Herself
                                             'bpm'  143.925
                                    'search_title'  'herself':3 'introduces':2 'she':1
                                   'search_artist'  'mum':1 'sjon':2
                                  'search_release'  '2':2,4,7,9 'lab':6,8 'motor':5 'motorlab':1,3
                                     'search_rest'  '00poprockelectronic':1 '2':7,9,11,19 '2wma':14,22 'apparat':2 'lab':18,21 'motor':17 'motorlab':6,8,10,13 'organ':3 'quartet':4 'rock':15 'tf31ira':5 'unsorted':16 'wma':12,20
                                    'search_combo'  '00poprockelectronic':15 '2':7C,9C,12C,14C,21,23,25,33 '2wma':28,36 'apparat':16 'herself':3A 'introduces':2A 'lab':11C,13C,32,35 'motor':10C,31 'motorlab':6C,8C,20,22,24,27 'mum':4B 'organ':17 'quartet':18 'rock':29 'she':1A 'sjon':5B 'tf31ira':19 'unsorted':30 'wma':26,34
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['icelandic', 'kitchenmotors', 'vocal manipulation', 'indie electronic', 'experimental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389207.9958103  (2021-05-07 14:06:47)
                             'size'  7736343