======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '216'
                                          'artist'  'Penguin Prison'
                                     'text_people'  ''
                                         'release'  'The Worse It Gets Remixes'
                                           'title'  'The Worse It Gets (Elof Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'disco', 'american', 'electropop', 'synthpop', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '125.006'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000216 0000031A 000013B2 00'
'COMM:iTunNORM:eng'                                 (' 00000216 0000031A 000013B2 00002A7C 0001D168 0001FE00 00008D25 00008CFB '
 '0002D963 00012C1A')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000810 0000000000915960 00000000 004F0BEC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'The Worse It Gets Remixes'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TIT2' (Title/songname/content description)         'The Worse It Gets (Elof Remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Prison'
'TSSE' (Software/Hardware and settings used for encoding)  'Logic Pro 8.0.2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'disco', 'american', 'electropop', 'synthpop', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.33 dB'
'TXXX:replaygain_track_peak'                        '0.647844'

========================== row from database ==========================
                                              'id'  1326632
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/penguinprison_elofremix.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  216
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  5189507
                                           'mtime'  1628353849
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] penguinprison_elofremix electronic we electropop synthpop
                                      'tag_artist'  Penguin Prison
                                     'tag_release'  The Worse It Gets Remixes
                                       'tag_title'  The Worse It Gets (Elof Remix)
                                             'bpm'  125.006
                                    'search_title'  'elof':5,6 'gets':4 'it':3 'remix':7,8 'the':1 'worse':2
                                   'search_artist'  'penguin':1 'prison':2
                                  'search_release'  'gets':4 'it':3 'remixes':5 'the':1 'worse':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'electropop':11 'elofremix':8 'files':5,6 'loose':3,4 'penguinprison':7 'synthpop':12 'unsorted':2 'we':10
                                    'search_combo'  '00poprockelectronic':16 'electronic':24 'electropop':26 'elof':5A,6A 'elofremix':23 'files':20,21 'gets':4A,14C 'it':3A,13C 'loose':18,19 'penguin':9B 'penguinprison':22 'prison':10B 'remix':7A,8A 'remixes':15C 'synthpop':27 'the':1A,11C 'unsorted':17 'we':25 'worse':2A,12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'disco', 'american', 'electropop', 'synthpop', 'electronic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353848.9793808  (2021-08-07 18:30:48)
                             'size'  5189507