======================== unified (from filesystem) ========================
                                         'bitrate'  '156.7'
                                        'duration'  '159'
                                          'artist'  'Big Joe'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Nanny Version Skank'
                                           '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-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'all', 'english lyrics', 'roots reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '84.035'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x0c\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x0c\x00\x00')
'PRIV:PeakValue:!k\x00\x00'                         PRIV(owner='PeakValue', data=b'!k\x00\x00')
'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '84.035'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Nanny Version Skank'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Joe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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:lastfmtags'                                   ['reggae', 'dub', 'all', 'english lyrics', 'roots reggae']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+6.79 dB'
'TXXX:replaygain_track_peak'                        '0.296185'

========================== row from database ==========================
                                              'id'  1501542
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[ja bongo man fcd 7861 7__ a] big joe - nanny version skank.mp3
                                         'working'  None
                                         'bitrate'  156
                                    'duration_sec'  159
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3129216
                                           'mtime'  1620524159
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [ja bongo man fcd 7861 7__ a] big joe nanny version skank loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Big Joe
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Nanny Version Skank
                                             'bpm'  84.035
                                    'search_title'  'nanny':1 'skank':3 'version':2
                                   'search_artist'  'big':1 'joe':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '7':9 '7861':8 'a':10,11 'and':24 'big':12 'bongo':5 'dancehall':22 'dub':20 'fcd':7 'ja':3,4 'joe':13 'loc':17 'man':6 'nanny':14 'or':19 'reggae':1 'roots':23 'singles':2 'ska':21 'skank':16 'style':18 'version':15
                                    'search_combo'  '7':16 '7861':15 'a':17,18 'and':31 'big':4B,19 'bongo':12 'dancehall':29 'dub':27 'fcd':14 'ja':10,11 'joe':5B,20 'loc':24 'man':13 'nanny':1A,21 'or':26 'reggae':6C,8 'roots':30 'singles':7C,9 'ska':28 'skank':3A,23 'style':25 'version':2A,22
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'all', 'english lyrics', 'roots reggae']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524158.6410358  (2021-05-09 03:35:58)
                             'size'  3129216