======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '238'
                                          'artist'  'Fluke'
                                     'text_people'  ''
                                         'release'  'Need For Speed UnderGround'
                                           'title'  'Snapshot'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-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'  "['electronica', 'dance', 'techno', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '21'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '127.044'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000F86 0000112B 0000775E'
'COMM:iTunNORM:eng'                                 (' 00000F86 0000112B 0000775E 00008585 000318A7 000318A7 000078B2 00007B73 '
 '0002CD5E 00016518')
'TALB' (Album/Movie/Show title)                     'Need For Speed UnderGround'
'TBPM' (BPM (beats per minute))                     '127.044'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Snapshot'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fluke'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '15/21'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'big beat']
'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'                        '-1.81 dB'
'TXXX:replaygain_track_peak'                        '0.405501'

========================== row from database ==========================
                                              'id'  1315959
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/fluke - snapshot(2).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  238
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5748562
                                           'mtime'  1636911454
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] fluke snapshot(2) electronic trip hop downtempo acid jazz
                                      'tag_artist'  Fluke
                                     'tag_release'  Need For Speed UnderGround
                                       'tag_title'  Snapshot
                                             'bpm'  127.044
                                    'search_title'  'snapshot':1
                                   'search_artist'  'fluke':1
                                  'search_release'  'for':2 'ground':6 'need':1 'speed':3 'under':5 'underground':4
                                     'search_rest'  '00poprockelectronic':1 '2':9 'acid':15 'downtempo':14 'electronic':11 'files':5,6 'fluke':7 'hop':13 'jazz':16 'loose':3,4 'snapshot':8 'snapshot2':10 'trip':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 '2':17 'acid':23 'downtempo':22 'electronic':19 'files':13,14 'fluke':2B,15 'for':4C 'ground':8C 'hop':21 'jazz':24 'loose':11,12 'need':3C 'snapshot':1A,16 'snapshot2':18 'speed':5C 'trip':20 'under':7C 'underground':6C 'unsorted':10
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  11A
                                           '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'  ['electronica', 'dance', 'techno', 'electronic', 'big beat']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911454.0854847  (2021-11-14 18:37:34)
                             'size'  5748562