======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '257'
                                          'artist'  'Carpenter Brut'
                                     'text_people'  ''
                                         'release'  'EP II'
                                           'title'  'Looking For Tracy Tzu'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'retrowave', 'electro', 'synthwave', 'retro electro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '109'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'EP II'
'TBPM' (BPM (beats per minute))                     '109'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Looking For Tracy Tzu'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carpenter Brut'
'TPE2' (Band/orchestra/accompaniment)               'Carpenter Brut'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Universal Music Spain S.L.'
'TRCK' (Track number/Position in set)               '16'
'TSRC' (ISRC (international standard recording code))  'FR9W11319892'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'retrowave', 'electro', 'synthwave', 'retro electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-2.08 dB'
'TXXX:replaygain_track_peak'                        '0.385500'

========================== row from database ==========================
                                              'id'  1329176
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/VHS Dreams - RetroWave _ Outrun/16 - Carpenter Brut - Looking For Tracy Tzu.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  257
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  10383864
                                           'mtime'  1620645146
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave VHS Dreams RetroWave _ Outrun 16 electronic we synthwave chillwave retrowave
                                      'tag_artist'  Carpenter Brut
                                     'tag_release'  EP II
                                       'tag_title'  Looking For Tracy Tzu
                                             'bpm'  109.0
                                    'search_title'  'for':2 'looking':1 'tracy':3 'tzu':4
                                   'search_artist'  'brut':2 'carpenter':1
                                  'search_release'  'ep':1 'ii':2
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 'chillwave':12 'disco':3 'dreams':6 'electronic':9 'outrun':8 'retro':13 'retrowave':7 'synthwave':11 'vhs':5 'wave':14 'waves':2 'we':10
                                    'search_combo'  '00poprockelectronic':9 '00synthwave':12 'brut':6B 'carpenter':5B 'chillwave':20 'disco':11 'dreams':14 'electronic':17 'ep':7C 'for':2A 'ii':8C 'looking':1A 'outrun':16 'retro':21 'retrowave':15 'synthwave':19 'tracy':3A 'tzu':4A 'vhs':13 'wave':22 'waves':10 'we':18
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  8A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'retrowave', 'electro', 'synthwave', 'retro electro']
                                        'tag_date'  2017
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620645146.1104424  (2021-05-10 13:12:26)
                             'size'  10383864