======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'The Velvelettes'
                                     'text_people'  ''
                                         'release'  'Hitsville USA: Motown Singles 1959-1971 (Disc 1)'
                                           'title'  'Needle in a Haystack'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['motown', 'female vocalists', 'soul', '60s', '7soul']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  '28'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '143.925'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000864 00000867 00004256'
'COMM:iTunNORM:eng'                                 (' 00000864 00000867 00004256 0000427F 0001351D 0001351D 000060FA 000060EB '
 '00020E70 00020E70')
'PRIV:AverageLevel:Ã\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc3\x0f\x00\x00')
'PRIV:PeakValue:ú`\x00\x00'                         PRIV(owner='PeakValue', data=b'\xfa`\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hitsville USA: Motown Singles 1959-1971 (Disc 1)'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Needle in a Haystack'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Velvelettes'
'TRCK' (Track number/Position in set)               '25/28'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['motown', 'female vocalists', 'soul', '60s', '7soul']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.450500'

========================== row from database ==========================
                                              'id'  1323667
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/25 - the velvelettes - needle in a haystack.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6103399
                                           'mtime'  1620572677
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 25 the velvelettes needle haystack hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Velvelettes
                                     'tag_release'  Hitsville USA: Motown Singles 1959-1971 (Disc 1)
                                       'tag_title'  Needle in a Haystack
                                             'bpm'  143.925
                                    'search_title'  'a':3 'haystack':4 'in':2 'needle':1
                                   'search_artist'  'the':1 'velvelettes':2
                                  'search_release'  '1':11,12 '1959':6 '19591971':8 '1971':7 'disc':9,10 'hitsville':1 'motown':4 'singles':5 'usa':2,3
                                     'search_rest'  '00poprockelectronic':1 '25':7 'files':5,6 'haystack':11 'hip':12 'hop':13 'loose':3,4 'needle':10 'or':14 'rap':16 'rnb':15 'the':8 'turntablism':17 'unsorted':2 'velvelettes':9
                                    'search_combo'  '00poprockelectronic':19 '1':17C,18C '1959':12C '19591971':14C '1971':13C '25':25 'a':3A 'disc':15C,16C 'files':23,24 'haystack':4A,29 'hip':30 'hitsville':7C 'hop':31 'in':2A 'loose':21,22 'motown':10C 'needle':1A,28 'or':32 'rap':34 'rnb':33 'singles':11C 'the':5B,26 'turntablism':35 'unsorted':20 'usa':8C,9C 'velvelettes':6B,27
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['motown', 'female vocalists', 'soul', '60s', '7soul']
                                        'tag_date'  1992
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620572676.8354986  (2021-05-09 17:04:36)
                             'size'  6103399