======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Bob Andy'
                                     'text_people'  'Keith Anderson'
                                         'release'  'Reggae Singles'
                                           'title'  'Life'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'rocksteady', 'roots reggae', 'ska', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '145.580'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCOM' (Composer)                                   'Keith Anderson'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Life'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '223795'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Andy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Metro'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'rocksteady', 'roots reggae', 'ska', 'roots']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.696614'

========================== row from database ==========================
                                              'id'  985380
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[GD 4047A] Bob Andy - Life.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3592550
                                           'mtime'  1620524079
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [GD 4047A] loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Bob Andy
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Life
                                             'bpm'  145.58
                                    'search_title'  'life':1
                                   'search_artist'  'andy':2 'bob':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '4047a':5,6 'and':14 'dancehall':12 'dub':10 'gd':3,4 'loc':7 'or':9 'reggae':1 'roots':13 'singles':2 'ska':11 'style':8
                                    'search_combo'  '4047a':10,11 'and':19 'andy':3B 'bob':2B 'dancehall':17 'dub':15 'gd':8,9 'life':1A 'loc':12 'or':14 'reggae':4C,6 'roots':18 'singles':5C,7 'ska':16 'style':13
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'rocksteady', 'roots reggae', 'ska', 'roots']
                                        'tag_date'  1995
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524079.2050695  (2021-05-09 03:34:39)
                             'size'  3592550