======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '169'
                                          'artist'  'nigger butler & barbe brown'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'lorna [record city ~ 1974]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-1', '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             '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'  '105.258'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '105.258'
'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)         'lorna [record city ~ 1974]'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'nigger butler & barbe brown'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.59 dB'
'TXXX:replaygain_track_peak'                        '0.393987'

========================== row from database ==========================
                                              'id'  985075
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/nigger butler & barbe brown - lorna [record city ~ 1974].mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  169
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  1360365
                                           'mtime'  1620524224
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles loc style reggae dub ska dancehall dub roots and reggae
                                      'tag_artist'  nigger butler & barbe brown
                                     'tag_release'  Reggae Singles
                                       'tag_title'  lorna [record city ~ 1974]
                                             'bpm'  105.258
                                    'search_title'  '1974':5,6 'city':4 'lorna':1 'record':2,3
                                   'search_artist'  'barbe':3 'brown':4 'butler':2 'nigger':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  'and':9 'dancehall':7 'dub':5 'loc':3 'reggae':1 'roots':8 'singles':2 'ska':6 'style':4
                                    'search_combo'  '1974':5A,6A 'and':21 'barbe':9B 'brown':10B 'butler':8B 'city':4A 'dancehall':19 'dub':17 'loc':15 'lorna':1A 'nigger':7B 'record':2A,3A 'reggae':11C,13 'roots':20 'singles':12C,14 'ska':18 'style':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524224.2972298  (2021-05-09 03:37:04)
                             'size'  1360365