======================== unified (from filesystem) ========================
                                         'bitrate'  '259.194'
                                        'duration'  '182'
                                          'artist'  'TurboVCR'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Darkness'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['under 100 listeners', 'electronic']"
                                     'discogstags'  "['electronic', 'synthwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '189'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '87.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '87.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Darkness'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'TurboVCR'
'TRCK' (Track number/Position in set)               '189'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Software'                                     'Lavf58.2.100'
'TXXX:discogstags'                                  ['electronic', 'synthwave']
'TXXX:lastfmtags'                                   ['under 100 listeners', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.439574'

========================== row from database ==========================
                                              'id'  1318444
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/Don Dellpiero - Synthwave/TurboVCR_-_Darkness.mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  182
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  5928789
                                           'mtime'  1620609222
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave Don Dellpiero Synthwave TurboVCR_ _Darkness electronic we synthwave or chillwave or retrowave
                                      'tag_artist'  TurboVCR
                                     'tag_release'  None
                                       'tag_title'  Darkness
                                             'bpm'  87.0
                                    'search_title'  'darkness':1
                                   'search_artist'  'turbo':2 'turbovcr':1 'vcr':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 'chillwave':13 'darkness':9 'dellpiero':6 'disco':3 'don':5 'electronic':10 'or':12 'retrowave':14 'synthwave':7 'turbo':15 'turbovcr':8 'vcr':16 'waves':2 'we':11
                                    'search_combo'  '00poprockelectronic':5 '00synthwave':8 'chillwave':17 'darkness':1A,13 'dellpiero':10 'disco':7 'don':9 'electronic':14 'or':16 'retrowave':18 'synthwave':11 'turbo':3B,19 'turbovcr':2B,12 'vcr':4B,20 'waves':6 'we':15
                                    'tag_tracknum'  189
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['under 100 listeners', 'electronic']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic', 'synthwave']

============================== file details ==============================
                                           'mtime'  1620609221.6296508  (2021-05-10 03:13:41)
                             'size'  5928789