======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '173'
                                          'artist'  'Ana Voog'
                                     'text_people'  ''
                                         'release'  'Introducing Sorrow'
                                           'title'  'Never Understood'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['female vocalists', 'minnesota', 'pop', 'synthpop', 'synth pop', 'the "
 "future']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic-we-electropop or synthpop'
                                             'bpm'  '141.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Introducing Sorrow'
'TBPM' (BPM (beats per minute))                     '141.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic-we-electropop or synthpop']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Never Understood'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ana Voog'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['female vocalists', 'minnesota', 'pop', 'synthpop', 'synth pop', 'the future']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.978845'

========================== row from database ==========================
                                              'id'  244593
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0experimental_sound_projects/Ana Voog/Ana Voog - Introducing Sorrow - Never Understood.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  electronic-unsorted;electronic-we-electropop or synthpop
                                        'filesize'  2774499
                                           'mtime'  1620515704
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0experimental_sound_projects electronic unsorted;electronic we electropop synthpop
                                      'tag_artist'  Ana Voog
                                     'tag_release'  Introducing Sorrow
                                       'tag_title'  Never Understood
                                             'bpm'  141.8
                                    'search_title'  'never':1 'understood':2
                                   'search_artist'  'ana':1 'voog':2
                                  'search_release'  'introducing':1 'sorrow':2
                                     'search_rest'  '0experimental':1 'electronic':4,6,8 'electropop':10 'projects':3 'sound':2 'synthpop':11 'unsorted':5,7 'we':9
                                    'search_combo'  '0experimental':7 'ana':3B 'electronic':10,12,14 'electropop':16 'introducing':5C 'never':1A 'projects':9 'sorrow':6C 'sound':8 'synthpop':17 'understood':2A 'unsorted':11,13 'voog':4B 'we':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'minnesota', 'pop', 'synthpop', 'synth pop', 'the future']
                                        'tag_date'  1989
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620515703.8398318  (2021-05-09 01:15:03)
                             'size'  2774499