======================== unified (from filesystem) ========================
                                         'bitrate'  '157.855'
                                        'duration'  '192'
                                          'artist'  'King Tubby & The Aggrovators'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'A Nice Version'
                                           '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-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dub', 'reggae', 'roots reggae', 'jamaica', 'serious dub']"
                             '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'  '145.580'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:9\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'9\x0f\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '145.580'
'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)         'A Nice Version'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'King Tubby & The Aggrovators'
'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'                                   ['dub', 'reggae', 'roots reggae', 'jamaica', 'serious dub']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '+1.96 dB'
'TXXX:replaygain_track_peak'                        '0.841954'

========================== row from database ==========================
                                              'id'  985322
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[JA_Lace_FBL 100-B_1977] King Tubby & The Aggrovators - A Nice Version.mp3
                                         'working'  None
                                         'bitrate'  157
                                    'duration_sec'  192
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3803008
                                           'mtime'  1620524103
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [JA_Lace_FBL 100 B_1977] loc style reggae dub ska dancehall dub roots and reggae
                                      'tag_artist'  King Tubby & The Aggrovators
                                     'tag_release'  Reggae Singles
                                       'tag_title'  A Nice Version
                                             'bpm'  145.58
                                    'search_title'  'a':1 'nice':2 'version':3
                                   'search_artist'  'aggrovators':4 'king':1 'the':3 'tubby':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '100':9 '1977':11,13 'and':20 'b':10,12 'dancehall':18 'dub':16 'fbl':5,8 'ja':3,6 'lace':4,7 'loc':14 'reggae':1 'roots':19 'singles':2 'ska':17 'style':15
                                    'search_combo'  '100':18 '1977':20,22 'a':1A 'aggrovators':7B 'and':29 'b':19,21 'dancehall':27 'dub':25 'fbl':14,17 'ja':12,15 'king':4B 'lace':13,16 'loc':23 'nice':2A 'reggae':8C,10 'roots':28 'singles':9C,11 'ska':26 'style':24 'the':6B 'tubby':5B 'version':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dub', 'reggae', 'roots reggae', 'jamaica', 'serious dub']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524103.3201478  (2021-05-09 03:35:03)
                             'size'  3803008