======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'Prince Buster'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  "Don't You Know I Love You So"
                                           '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jamaica', 'reggae', 'dub', 'ska', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '107.492'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '107.492'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         "Don't You Know I Love You So"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prince Buster'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'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', 'ska', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+5.32 dB'
'TXXX:replaygain_track_peak'                        '0.248922'

========================== row from database ==========================
                                              'id'  1497009
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[Fab FAB 56 B] 1968 - Prince Buster - Don_t You Know I Love You So.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3935377
                                           'mtime'  1620524074
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [Fab FAB 56 B] 1968 Don_t loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Prince Buster
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Don't You Know I Love You So
                                             'bpm'  107.492
                                    'search_title'  'don':1 'dont':3 'i':6 'know':5 'love':7 'so':8 't':2 'you':4
                                   'search_artist'  'buster':2 'prince':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '1968':8 '56':5 'and':18 'b':6,7 'dancehall':16 'don':9 'dub':14 'fab':3,4 'loc':11 'or':13 'reggae':1 'roots':17 'singles':2 'ska':15 'style':12 't':10
                                    'search_combo'  '1968':20 '56':17 'and':30 'b':18,19 'buster':10B 'dancehall':28 'don':1A,21 'dont':3A 'dub':26 'fab':15,16 'i':6A 'know':5A 'loc':23 'love':7A 'or':25 'prince':9B 'reggae':11C,13 'roots':29 'singles':12C,14 'ska':27 'so':8A 'style':24 't':2A,22 'you':4A
                                    'tag_tracknum'  19
                                      '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-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jamaica', 'reggae', 'dub', 'ska', 'rocksteady']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524074.3122914  (2021-05-09 03:34:34)
                             'size'  3935377