======================== unified (from filesystem) ========================
                                         'bitrate'  '155.491'
                                        'duration'  '175'
                                          'artist'  'Big Joe'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Quattie Buy Trouble'
                                           '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-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'all', 'english lyrics', 'roots reggae']"
                             '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'  '143.823'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '143.823'
'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)         'Quattie Buy Trouble'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Joe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['reggae', 'dub', 'all', 'english lyrics', 'roots reggae']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.595624'

========================== row from database ==========================
                                              'id'  985200
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[UK_Lord Koos_KOO 023-A_1973] Big Joe - Quattie Buy Trouble.mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  175
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3414239
                                           'mtime'  1620524146
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [UK_Lord Koos_KOO 023 A_1973] loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Big Joe
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Quattie Buy Trouble
                                             'bpm'  143.823
                                    'search_title'  'buy':2 'quattie':1 'trouble':3
                                   'search_artist'  'big':1 'joe':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '1973':10,12 'a':9,11 'and':20 'dancehall':18 'dub':16 'koo':8 'koos':7 'loc':13 'lord':4,6 'or':15 'reggae':1 'roots':19 'singles':2 'ska':17 'style':14 'uk':3,5
                                    'search_combo'  '1973':17,19 'a':16,18 'and':27 'big':4B 'buy':2A 'dancehall':25 'dub':23 'joe':5B 'koo':15 'koos':14 'loc':20 'lord':11,13 'or':22 'quattie':1A 'reggae':6C,8 'roots':26 'singles':7C,9 'ska':24 'style':21 'trouble':3A 'uk':10,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-2', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'all', 'english lyrics', 'roots reggae']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524146.0426905  (2021-05-09 03:35:46)
                             'size'  3414239