======================== unified (from filesystem) ========================
                                         'bitrate'  '201.598'
                                        'duration'  '142'
                                          'artist'  'big youth'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'dread locks dread version'
                                           '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-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jamaica', 'reggae', 'dub', 'roots reggae', 'dancehall', 'roots']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '135.819'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '135.819'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'dread locks dread version'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'big youth'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['jamaica', 'reggae', 'dub', 'roots reggae', 'dancehall', 'roots']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.42 dB'
'TXXX:replaygain_track_peak'                        '0.301529'

========================== row from database ==========================
                                              'id'  985626
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/SS-25B Big Youth - Dread Locks Dread Version.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  142
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3590147
                                           'mtime'  1620524031
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles SS 25B Big Youth Dread Locks Dread Version style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  big youth
                                     'tag_release'  Reggae Singles
                                       'tag_title'  dread locks dread version
                                             'bpm'  135.819
                                    'search_title'  'dread':1 'locks':2 'version':3
                                   'search_artist'  'big':1 'youth':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '25b':4 'and':16 'big':5 'dancehall':14 'dread':7 'dub':12 'locks':8 'or':11 'reggae':1 'roots':15 'singles':2 'ska':13 'ss':3 'style':10 'version':9 'youth':6
                                    'search_combo'  '25b':11 'and':23 'big':4B,12 'dancehall':21 'dread':1A,14 'dub':19 'locks':2A,15 'or':18 'reggae':6C,8 'roots':22 'singles':7C,9 'ska':20 'ss':10 'style':17 'version':3A,16 'youth':5B,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jamaica', 'reggae', 'dub', 'roots reggae', 'dancehall', 'roots']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524031.0596964  (2021-05-09 03:33:51)
                             'size'  3590147