======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'The Robins'
                                     'text_people'  ''
                                         'release'  'Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz'
                                           'title'  'Riot In Cell Block #9'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'doo wop', 'rhythm and blues', 'pop', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '91.144'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz'
'TBPM' (BPM (beats per minute))                     '91.144'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Riot In Cell Block #9'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Robins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'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:lastfmtags'                                   ['rock and roll', 'doo wop', 'rhythm and blues', 'pop', 'oldies']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.370033'

========================== row from database ==========================
                                              'id'  948673
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz/20 Robins - Riot In Cell Block #9.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  rock-pop-early
                                        'filesize'  7166135
                                           'mtime'  1620736838
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va 20 rock pop early
                                      'tag_artist'  The Robins
                                     'tag_release'  Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz
                                       'tag_title'  Riot In Cell Block #9
                                             'bpm'  91.144
                                    'search_title'  '9':5,6 'block':4 'cell':3 'in':2 'riot':1
                                   'search_artist'  'robins':2 'the':1
                                  'search_release'  'alcatraz':11 'from':3 'home':9 'on':10 'tales':2 'the':4 'twisted':1 'vinyl':5 'vol':7,8 'wastelands':6
                                     'search_rest'  '20':6 'country':4 'early':9 'exotica':2 'jazz':1 'oldies':3 'pop':8 'rock':7 'va':5
                                    'search_combo'  '20':25 '9':5A,6A 'alcatraz':19C 'block':4A 'cell':3A 'country':23 'early':28 'exotica':21 'from':11C 'home':17C 'in':2A 'jazz':20 'oldies':22 'on':18C 'pop':27 'riot':1A 'robins':8B 'rock':26 'tales':10C 'the':7B,12C 'twisted':9C 'va':24 'vinyl':13C 'vol':15C,16C 'wastelands':14C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'doo wop', 'rhythm and blues', 'pop', 'oldies']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736837.781027  (2021-05-11 14:40:37)
                             'size'  7166135