======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '181'
                                          'artist'  'Metal Urbain'
                                     'text_people'  ''
                                         'release'  'New Wave Complex (Volume 01)'
                                           'title'  'Tango Sudiste'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-3', "
 "'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-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk', 'french', 'french punk', 'industrial', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '84.916'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '4A116314'
'COMM:ID3v1 Comment:XXX'                            '4A116314'
'TALB' (Album/Movie/Show title)                     'New Wave Complex (Volume 01)'
'TBPM' (BPM (beats per minute))                     '84.916'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Tango Sudiste'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Metal Urbain'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18/20'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, Fraunhofer acm, 192 kBit/s, 44,100 Hz, Stereo, HQ = on'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['punk', 'french', 'french punk', 'industrial', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.705092'

========================== row from database ==========================
                                              'id'  1456961
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The New Wave Complex 01 (NWC) [192k]/18_-_metal_urbain_-_tango_sudiste (2).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  181
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  4440258
                                           'mtime'  1620607044
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk The (NWC) [192k] 18_ _metal_urbain_ _tango_sudiste (2) electronic we new wave or post punk
                                      'tag_artist'  Metal Urbain
                                     'tag_release'  New Wave Complex (Volume 01)
                                       'tag_title'  Tango Sudiste
                                             'bpm'  84.916
                                    'search_title'  'sudiste':2 'tango':1
                                   'search_artist'  'metal':1 'urbain':2
                                  'search_release'  '01':6,7 'complex':3 'new':1 'volume':4,5 'wave':2
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '18':11 '192k':9,10 '2':16,17 'disco':3 'electronic':18 'metal':12 'new':20 'nwc':7,8 'or':22 'post':23 'postpunk':5 'punk':24 'sudiste':15 'tango':14 'the':6 'urbain':13 'wave':21 'waves':2 'we':19
                                    'search_combo'  '00newwave':15 '00poprockelectronic':12 '01':10C,11C '18':22 '192k':20,21 '2':27,28 'complex':7C 'disco':14 'electronic':29 'metal':3B,23 'new':5C,31 'nwc':18,19 'or':33 'post':34 'postpunk':16 'punk':35 'sudiste':2A,26 'tango':1A,25 'the':17 'urbain':4B,24 'volume':8C,9C 'wave':6C,32 'waves':13 'we':30
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk', 'french', 'french punk', 'industrial', 'synthpop']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620607043.6543674  (2021-05-10 02:37:23)
                             'size'  4440258