======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '275'
                                          'artist'  'Yellow Magic Orchestra'
                                     'text_people'  ''
                                         'release'  'YMO Go Home!'
                                           'title'  'Camouflage'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'techno', 'electronic', 'japanese', 'synthpop']"
                                     'discogstags'  "['electronic', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '89.021'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'COMM:iTunNORM:eng'                                 (' 0000079D 000006DF 00008597 000068DD 00005D9A 0001CBDD 00008000 00008000 '
 '00000173 00000173')
'TALB' (Album/Movie/Show title)                     'YMO Go Home!'
'TBPM' (BPM (beats per minute))                     '89.021'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Camouflage'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yellow Magic Orchestra'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '5/14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'techno', 'electronic', 'japanese', 'synthpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.691581'

========================== row from database ==========================
                                              'id'  1491457
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/2-05 camouflage.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  275
                                           'genre'  electronic-th-techno
                                        'filesize'  4463046
                                           'mtime'  1620592394
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 2 05 camouflage electronic th techno
                                      'tag_artist'  Yellow Magic Orchestra
                                     'tag_release'  YMO Go Home!
                                       'tag_title'  Camouflage
                                             'bpm'  89.021
                                    'search_title'  'camouflage':1
                                   'search_artist'  'magic':2 'orchestra':3 'yellow':1
                                  'search_release'  'go':2 'home':3 'ymo':1
                                     'search_rest'  '00dutch':4 '00mid':1 '2':5 'camouflage':6 'electronic':7 'europe':3 'north':2 'techno':9 'th':8
                                    'search_combo'  '00dutch':11 '00mid':8 '2':12 'camouflage':1A,13 'electronic':14 'europe':10 'go':6C 'home':7C 'magic':3B 'north':9 'orchestra':4B 'techno':16 'th':15 'yellow':2B 'ymo':5C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'techno', 'electronic', 'japanese', 'synthpop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620592393.8365664  (2021-05-09 22:33:13)
                             'size'  4463046