======================== unified (from filesystem) ========================
                                         'bitrate'  '266.913'
                                        'duration'  '184'
                                          'artist'  'Cartridge 1987'
                                     'text_people'  ''
                                         'release'  'Last Escape'
                                           'title'  '1989'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dark synthwave', 'electro', 'synthwave', 'french', 'synth']"
                                     'discogstags'  "['electronic', 'synthwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '93.156'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'COMM:ID3v1 Comment:XXX'                            'Visit http://cartridge1.band'
'TALB' (Album/Movie/Show title)                     'Last Escape'
'TBPM' (BPM (beats per minute))                     '93.156'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         '1989'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cartridge 1987'
'TPE2' (Band/orchestra/accompaniment)               'Cartridge 1987'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'synthwave']
'TXXX:lastfmtags'                                   ['dark synthwave', 'electro', 'synthwave', 'french', 'synth']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.667556'

========================== row from database ==========================
                                              'id'  1306844
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Cartridge 1987 - Last Escape/Cartridge 1987 - Last Escape - 01 1989.mp3
                                         'working'  None
                                         'bitrate'  266
                                    'duration_sec'  184
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6313872
                                           'mtime'  1620608908
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 01 electronic we disco or italo
                                      'tag_artist'  Cartridge 1987
                                     'tag_release'  Last Escape
                                       'tag_title'  1989
                                             'bpm'  93.156
                                    'search_title'  '1989':1
                                   'search_artist'  '1987':2 'cartridge':1
                                  'search_release'  'escape':2 'last':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'disco':3 'electronic':6 'italo':5 'or':8 'waves':2 'we':7
                                    'search_combo'  '00disco':9 '00poprockelectronic':6 '1987':3B '1989':1A 'cartridge':2B 'disco':8 'electronic':11 'escape':5C 'italo':10 'last':4C 'or':13 'waves':7 'we':12
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dark synthwave', 'electro', 'synthwave', 'french', 'synth']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'synthwave']

============================== file details ==============================
                                           'mtime'  1620608907.8574777  (2021-05-10 03:08:27)
                             'size'  6313872