======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '223'
                                          'artist'  'The Emotions'
                                     'text_people'  ''
                                         'release'  'Disco Fever: Get Up And Boogie [Disc 2]'
                                           'title'  'Best Of My Love'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
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                                      'lastfmtags'  "['motown', 'female vocalists', 'soul', '70s', 'disco', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '115.655'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
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'TALB' (Album/Movie/Show title)                     'Disco Fever: Get Up And Boogie [Disc 2]'
'TBPM' (BPM (beats per minute))                     '115.655'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Best Of My Love'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Emotions'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '12/15'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.95, 160 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['motown', 'female vocalists', 'soul', '70s', 'disco', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.586504'

========================== row from database ==========================
                                              'id'  1334396
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/the emotions - best of my love.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  223
                                           'genre'  funk or soul
                                        'filesize'  4527628
                                           'mtime'  1628357709
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] the emotions best of my love funk or soul
                                      'tag_artist'  The Emotions
                                     'tag_release'  Disco Fever: Get Up And Boogie [Disc 2]
                                       'tag_title'  Best Of My Love
                                             'bpm'  115.655
                                    'search_title'  'best':1 'love':4 'my':3 'of':2
                                   'search_artist'  'emotions':2 'the':1
                                  'search_release'  '2':10,11 'and':6 'boogie':7 'disc':8,9 'disco':1 'fever':2,3 'get':4 'up':5
                                     'search_rest'  '00poprockelectronic':1 'best':9 'emotions':8 'files':5,6 'funk':13 'loose':3,4 'love':12 'my':11 'of':10 'or':14 'soul':15 'the':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':18 '2':16C,17C 'and':12C 'best':1A,26 'boogie':13C 'disc':14C,15C 'disco':7C 'emotions':6B,25 'fever':8C,9C 'files':22,23 'funk':30 'get':10C 'loose':20,21 'love':4A,29 'my':3A,28 'of':2A,27 'or':31 'soul':32 'the':5B,24 'unsorted':19 'up':11C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['motown', 'female vocalists', 'soul', '70s', 'disco', 'funk']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357709.1586187  (2021-08-07 19:35:09)
                             'size'  4527628