======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '169'
                                          'artist'  'Delroy Wilson'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  "I'm Glad"
                                           '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jamaica', 'reggae', 'rocksteady', 'roots reggae', 'ska', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '140.433'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '140.433'
'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)         "I'm Glad"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '169000'
'TPE1' (Lead performer(s)/Soloist(s))               'Delroy Wilson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '00'
'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'                                   ['jamaica', 'reggae', 'rocksteady', 'roots reggae', 'ska', '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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.566707'

========================== row from database ==========================
                                              'id'  1506559
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[JA_Dee Jay_RRS 4340_1974] Delroy Wilson - I_m Glad.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  169
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3387264
                                           'mtime'  1620524097
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [JA_Dee Jay_RRS 4340_1974] I_m loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Delroy Wilson
                                     'tag_release'  Reggae Singles
                                       'tag_title'  I'm Glad
                                             'bpm'  140.433
                                    'search_title'  'glad':4 'i':1 'im':3 'm':2
                                   'search_artist'  'delroy':1 'wilson':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '1974':10,12 '4340':9,11 'and':22 'dancehall':20 'dee':4,6 'dub':18 'i':13 'ja':3,5 'jay':7 'loc':15 'm':14 'or':17 'reggae':1 'roots':21 'rrs':8 'singles':2 'ska':19 'style':16
                                    'search_combo'  '1974':18,20 '4340':17,19 'and':30 'dancehall':28 'dee':12,14 'delroy':5B 'dub':26 'glad':4A 'i':1A,21 'im':3A 'ja':11,13 'jay':15 'loc':23 'm':2A,22 'or':25 'reggae':7C,9 'roots':29 'rrs':16 'singles':8C,10 'ska':27 'style':24 'wilson':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jamaica', 'reggae', 'rocksteady', 'roots reggae', 'ska', 'roots']
                                        'tag_date'  
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524097.1882648  (2021-05-09 03:34:57)
                             'size'  3387264