======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '214'
                                          'artist'  'The Specials'
                                     'text_people'  ''
                                         'release'  'The Singles Colection'
                                           'title'  'Friday Night, Saturday Morning'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'reggae', 'two tone', 'ska', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '140.628'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Singles Colection'
'TBPM' (BPM (beats per minute))                     '140.628'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Friday Night, Saturday Morning'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Specials'
'TPE2' (Band/orchestra/accompaniment)               'The Specials'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'reggae', 'two tone', 'ska', 'punk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.816897'

========================== row from database ==========================
                                              'id'  1387273
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Specials/The Singles Colection/13 - the specials - friday night, saturday morning.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  214
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  6867446
                                           'mtime'  1620522521
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 13 the specials friday night, saturday morning loc style reggae dub ska dancehall ska
                                      'tag_artist'  The Specials
                                     'tag_release'  The Singles Colection
                                       'tag_title'  Friday Night, Saturday Morning
                                             'bpm'  140.628
                                    'search_title'  'friday':1 'morning':5 'night':2,3 'saturday':4
                                   'search_artist'  'specials':2 'the':1
                                  'search_release'  'colection':3 'singles':2 'the':1
                                     'search_rest'  '00reggae':1 'dancehall':14 'dub':2 'friday':5 'loc':10 'morning':9 'night':6,7 'reggae':12 'saturday':8 'ska':13 'specials':4 'style':11 'the':3
                                    'search_combo'  '00reggae':11 'colection':10C 'dancehall':24 'dub':12 'friday':1A,15 'loc':20 'morning':5A,19 'night':2A,3A,16,17 'reggae':22 'saturday':4A,18 'singles':9C 'ska':23 'specials':7B,14 'style':21 'the':6B,8C,13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'reggae', 'two tone', 'ska', 'punk']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522520.666334  (2021-05-09 03:08:40)
                             'size'  6867446