======================== unified (from filesystem) ========================
                                         'bitrate'  '248.218'
                                        'duration'  '233'
                                          'artist'  'Zane Alexander'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'A Millenium Continuum'
                                           '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'  "['chillwave', 'synthwave', 'electronic', 'dreamwave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '121'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '102.2'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '102.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'A Millenium Continuum'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Zane Alexander'
'TRCK' (Track number/Position in set)               '121'
'TXXX:Encoding time'                                '2017-11-04 12:43:17'
'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'                                     'Lavf54.63.104'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['chillwave', 'synthwave', 'electronic', 'dreamwave']
'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'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.399472'

========================== row from database ==========================
                                              'id'  1316730
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/Don Dellpiero - Synthwave/Zane Alexander - A Millenium Continuum.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  233
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  7257134
                                           'mtime'  1620609274
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave Don Dellpiero Synthwave electronic we synthwave or chillwave or retrowave
                                      'tag_artist'  Zane Alexander
                                     'tag_release'  None
                                       'tag_title'  A Millenium Continuum
                                             'bpm'  102.2
                                    'search_title'  'a':1 'continuum':3 'millenium':2
                                   'search_artist'  'alexander':2 'zane':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 'chillwave':11 'dellpiero':6 'disco':3 'don':5 'electronic':8 'or':10 'retrowave':12 'synthwave':7 'waves':2 'we':9
                                    'search_combo'  '00poprockelectronic':6 '00synthwave':9 'a':1A 'alexander':5B 'chillwave':16 'continuum':3A 'dellpiero':11 'disco':8 'don':10 'electronic':13 'millenium':2A 'or':15 'retrowave':17 'synthwave':12 'waves':7 'we':14 'zane':4B
                                    'tag_tracknum'  121
                                      'num_images'  0
                                             'key'  7B
                                           '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'  ['chillwave', 'synthwave', 'electronic', 'dreamwave']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620609274.052459  (2021-05-10 03:14:34)
                             'size'  7257134