======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '182'
                                          'artist'  'Lamb'
                                     'text_people'  ''
                                         'release'  'Between Darkness And Wonder'
                                           'title'  'Sun'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'downtempo', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '140.141'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000CD0 00000DA8 000096BB'
'COMM:iTunNORM:eng'                                 (' 00000CD0 00000DA8 000096BB 0000A62C 0002AB78 0002AB78 00009148 000090F9 '
 '000256FA 0002B234')
'COMM:iTunes_CDDB_IDs:eng'                          '11+A0CFE206A4CDECBD79CBD9647ADEB81B+3367927'
'TALB' (Album/Movie/Show title)                     'Between Darkness And Wonder'
'TBPM' (BPM (beats per minute))                     '140.141'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes v4.0.1'
'TIT2' (Title/songname/content description)         'Sun'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lamb'
'TRCK' (Track number/Position in set)               '7/11'
'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', 'downtempo', 'trip hop']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.451989'

========================== row from database ==========================
                                              'id'  1319163
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Lamb/Between Darkness And Wonder/07 Sun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  182
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4386290
                                           'mtime'  1636910677
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 07 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Lamb
                                     'tag_release'  Between Darkness And Wonder
                                       'tag_title'  Sun
                                             'bpm'  140.141
                                    'search_title'  'sun':1
                                   'search_artist'  'lamb':1
                                  'search_release'  'and':3 'between':1 'darkness':2 'wonder':4
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':8 'downtempo':7 'electronic':3 'hop':5 'jazz':9 'or':6 'trip':4
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 'acid':14 'and':5C 'between':3C 'darkness':4C 'downtempo':13 'electronic':9 'hop':11 'jazz':15 'lamb':2B 'or':12 'sun':1A 'trip':10 'wonder':6C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'downtempo', 'trip hop']

============================== file details ==============================
                                           'mtime'  1636910676.6906338  (2021-11-14 18:24:36)
                             'size'  4386290