======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '187'
                                          'artist'  'Roy Richards'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Death Rides A Horse'
                                           '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-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'reggae', 'all', 'jamaica', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '117.195'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '117.195'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Death Rides A Horse'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Richards'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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'                                   ['ska', 'reggae', 'all', 'jamaica', 'rocksteady']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.191394'

========================== row from database ==========================
                                              'id'  985566
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/roy richards - death rides a horse [crab-28b].mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  187
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  5996416
                                           'mtime'  1620524230
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles roy richards death rides horse [crab 28b] loc style reggae dub ska dancehall dub roots and reggae
                                      'tag_artist'  Roy Richards
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Death Rides A Horse
                                             'bpm'  117.195
                                    'search_title'  'a':3 'death':1 'horse':4 'rides':2
                                   'search_artist'  'richards':2 'roy':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '28b':10,11 'and':18 'crab':8,9 'dancehall':16 'death':5 'dub':14 'horse':7 'loc':12 'reggae':1 'richards':4 'rides':6 'roots':17 'roy':3 'singles':2 'ska':15 'style':13
                                    'search_combo'  '28b':18,19 'a':3A 'and':26 'crab':16,17 'dancehall':24 'death':1A,13 'dub':22 'horse':4A,15 'loc':20 'reggae':7C,9 'richards':6B,12 'rides':2A,14 'roots':25 'roy':5B,11 'singles':8C,10 'ska':23 'style':21
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'reggae', 'all', 'jamaica', 'rocksteady']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524229.6921337  (2021-05-09 03:37:09)
                             'size'  5996416