======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '177'
                                          'artist'  'Junior Walker And The All-Stars'
                                     'text_people'  ''
                                         'release'  'Ultimate Collection'
                                           'title'  "Satan's Blues"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'motown', 'funk', '60s', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '129.398'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00001993 00001993 0000BE0A'
'COMM:iTunNORM:eng'                                 (' 00001993 00001993 0000BE0A 0000BE0A 000295F3 000295F3 00008000 00008000 '
 '00014588 00014588')
'TALB' (Album/Movie/Show title)                     'Ultimate Collection'
'TBPM' (BPM (beats per minute))                     '129.398'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Satan's Blues"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Junior Walker And The All-Stars'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'motown', 'funk', '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'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.316338'

========================== row from database ==========================
                                              'id'  1515163
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/14 jr walker & the all-stars - satan_s blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  177
                                           'genre'  funk or soul
                                        'filesize'  4260675
                                           'mtime'  1628357947
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 14 jr walker & the all stars satan_s blues funk soul
                                      'tag_artist'  Junior Walker And The All-Stars
                                     'tag_release'  Ultimate Collection
                                       'tag_title'  Satan's Blues
                                             'bpm'  129.398
                                    'search_title'  'blues':4 's':2 'satan':1 'satans':3
                                   'search_artist'  'all':5 'allstars':7 'and':3 'junior':1 'stars':6 'the':4 'walker':2
                                  'search_release'  'collection':2 'ultimate':1
                                     'search_rest'  '00poprockelectronic':1 'all':10 'blues':14 'files':5,6 'funk':15 'jr':7 'loose':3,4 's':13 'satan':12 'soul':16 'stars':11 'the':9 'unsorted':2 'walker':8
                                    'search_combo'  '00poprockelectronic':14 'all':9B,23 'allstars':11B 'and':7B 'blues':4A,27 'collection':13C 'files':18,19 'funk':28 'jr':20 'junior':5B 'loose':16,17 's':2A,26 'satan':1A,25 'satans':3A 'soul':29 'stars':10B,24 'the':8B,22 'ultimate':12C 'unsorted':15 'walker':6B,21
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'motown', 'funk', '60s', '7soul']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357946.5207489  (2021-08-07 19:39:06)
                             'size'  4260675