======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '128'
                                          'artist'  'Keith Courvale'
                                     'text_people'  ''
                                         'release'  'Twisted Tales From The Vinyl Wastelands Vol. 02 - Demented Rock & Roll'
                                           'title'  'Steelworker Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rockabilly', 'rock and roll', 'all', 'spotify', 'rock']"
                                     'discogstags'  "['folk, world, & country', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '30'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '126.568'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Twisted Tales From The Vinyl Wastelands Vol. 02 - Demented Rock & Roll'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TDRC' (Recording time)                             '1955'
'TENC' (Encoded by)                                 'Elwood Blues'
'TIT2' (Title/songname/content description)         'Steelworker Blues'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Keith Courvale'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09/30'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'rock']
'TXXX:lastfmtags'                                   ['rockabilly', 'rock and roll', 'all', 'spotify', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.327044'
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.rockhall.ro/com/index.php?action=forum')

========================== row from database ==========================
                                              'id'  947625
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Twisted Tales From The Vinyl Wastelands Vol. 02 - Demented Rock & Roll/09 Steelworker Blues 1.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  128
                                           'genre'  rock-pop-early
                                        'filesize'  5817659
                                           'mtime'  1620736743
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 09 1 rock pop early
                                      'tag_artist'  Keith Courvale
                                     'tag_release'  Twisted Tales From The Vinyl Wastelands Vol. 02 - Demented Rock & Roll
                                       'tag_title'  Steelworker Blues
                                             'bpm'  126.568
                                    'search_title'  'blues':2 'steelworker':1
                                   'search_artist'  'courvale':2 'keith':1
                                  'search_release'  'demented':9 'from':3 'rock':10 'roll':11 'tales':2 'the':4 'twisted':1 'vinyl':5 'vol':7,8 'wastelands':6
                                     'search_rest'  '1':5 'country':4 'early':8 'exotica':2 'jazz':1 'oldies':3 'pop':7 'rock':6
                                    'search_combo'  '1':20 'blues':2A 'country':19 'courvale':4B 'demented':13C 'early':23 'exotica':17 'from':7C 'jazz':16 'keith':3B 'oldies':18 'pop':22 'rock':14C,21 'roll':15C 'steelworker':1A 'tales':6C 'the':8C 'twisted':5C 'vinyl':9C 'vol':11C,12C 'wastelands':10C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', 'all', 'spotify', 'rock']
                                        'tag_date'  1955
                                     'discogstags'  ['folk, world, & country', 'rock']

============================== file details ==============================
                                           'mtime'  1620736742.6638129  (2021-05-11 14:39:02)
                             'size'  5817659