======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '278'
                                          'artist'  'Yello Magic Orchestra'
                                     'text_people'  ''
                                         'release'  'New Wave Complex (Volume 01)'
                                           'title'  'Key'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'japanese', 'synthpop', 'techno', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '135.728'
                                             'key'  '8B'
                                        '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))                     '135.728'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Key'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yello Magic Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13/20'
'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'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'japanese', 'synthpop', 'techno', 'electronica']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.696733'

========================== row from database ==========================
                                              'id'  1323612
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The New Wave Complex 01 (NWC) [192k]/13_-_yello_magic_orchestra_-_key.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  278
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  6766474
                                           'mtime'  1620607020
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk The (NWC) [192k] 13_ _yello_magic_orchestra_ _key electronic we new wave or post punk
                                      'tag_artist'  Yello Magic Orchestra
                                     'tag_release'  New Wave Complex (Volume 01)
                                       'tag_title'  Key
                                             'bpm'  135.728
                                    'search_title'  'key':1
                                   'search_artist'  'magic':2 'orchestra':3 'yello':1
                                  'search_release'  '01':6,7 'complex':3 'new':1 'volume':4,5 'wave':2
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '13':11 '192k':9,10 'disco':3 'electronic':16 'key':15 'magic':13 'new':18 'nwc':7,8 'or':20 'orchestra':14 'post':21 'postpunk':5 'punk':22 'the':6 'wave':19 'waves':2 'we':17 'yello':12
                                    'search_combo'  '00newwave':15 '00poprockelectronic':12 '01':10C,11C '13':22 '192k':20,21 'complex':7C 'disco':14 'electronic':27 'key':1A,26 'magic':3B,24 'new':5C,29 'nwc':18,19 'or':31 'orchestra':4B,25 'post':32 'postpunk':16 'punk':33 'the':17 'volume':8C,9C 'wave':6C,30 'waves':13 'we':28 'yello':2B,23
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'japanese', 'synthpop', 'techno', 'electronica']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620607019.992554  (2021-05-10 02:36:59)
                             'size'  6766474