======================== unified (from filesystem) ========================
                                         'bitrate'  '112.694'
                                        'duration'  '359'
                                          'artist'  'Bruce Haack'
                                     'text_people'  ''
                                         'release'  'The Electric Lucifer'
                                           'title'  'Bruce Haack Interviewed on Canadian Radio CKUA (1970), Part 6'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-1', 'q-other-1', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronica/space age pop/electronic/psychedelic/experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '24'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '126.3'
                                             'key'  '4A'
                                        'acoustid'  '028629c2-3019-451d-be9b-113af26d75fc'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Electric Lucifer'
'TBPM' (BPM (beats per minute))                     '126.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1970'
'TDRC' (Recording time)                             '2007-05-14'
'TENC' (Encoded by)                                 'Buy The Original CD/Vinyl, Support The Artists!'
'TIT2' (Title/songname/content description)         'Bruce Haack Interviewed on Canadian Radio CKUA (1970), Part 6'
'TKEY' (Initial key)                                '4A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Haack'
'TPE2' (Band/orchestra/accompaniment)               'Bruce Haack'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'The Omni Recording Corporation'
'TRCK' (Track number/Position in set)               '20/24'
'TSO2'                                              'Haack, Bruce'
'TSOP' (Performer sort order)                       'Haack, Bruce'
'TXXX:ARTISTS'                                      'Bruce Haack'
'TXXX:Acoustid Id'                                  '028629c2-3019-451d-be9b-113af26d75fc'
'TXXX:BARCODE'                                      '9312336020234'
'TXXX:CATALOGNUMBER'                                'OMNI-110'
'TXXX:MusicBrainz Album Artist Id'                  'f9b7f120-3c0d-4ada-bc14-95ad2550e9cf'
'TXXX:MusicBrainz Album Id'                         '0d74f3a4-ab99-4e69-beb1-14d3c80eb797'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f9b7f120-3c0d-4ada-bc14-95ad2550e9cf'
'TXXX:MusicBrainz Release Group Id'                 '2cf71d49-68ec-37c0-8e4b-27c73b358530'
'TXXX:MusicBrainz Release Track Id'                 'dbc05cd3-ea26-39c5-b898-209af3bfa53d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   'electronica/space age pop/electronic/psychedelic/experimental'
'TXXX:originalyear'                                 '1970'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.586825'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e0e012dd-c8b5-4970-a10a-d7d62183ca9c')

========================== row from database ==========================
                                              'id'  918992
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack/1970 - Bruce Haack - The Electric Lucifer (Columbia) +bonus [vBr]/20-bruce_haack--bruce_haack_interviewed_on_canadian_radio_ckua_(1970).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  359
                                           'genre'  electronic-experimental
                                        'filesize'  5166515
                                           'mtime'  1622801492
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Columbia) +bonus [vBr] 20 bruce_haack bruce_haack_interviewed_on_canadian_radio_ckua_(1970) electronic experimental
                                      'tag_artist'  Bruce Haack
                                     'tag_release'  The Electric Lucifer
                                       'tag_title'  Bruce Haack Interviewed on Canadian Radio CKUA (1970), Part 6
                                             'bpm'  126.3
                                    'search_title'  '1970':8,9 '6':11 'bruce':1 'canadian':5 'ckua':7 'haack':2 'interviewed':3 'on':4 'part':10 'radio':6
                                   'search_artist'  'bruce':1 'haack':2
                                  'search_release'  'electric':2 'lucifer':3 'the':1
                                     'search_rest'  '1970':16,24 '20':6 'bonus':3 'br':29,30 'bruce':7,9,17 'canadian':13,21 'ckua':15,23 'columbia':1,2 'electronic':25 'experimental':26 'haack':8,10,18 'interviewed':11,19 'on':12,20 'radio':14,22 'v':27,28 'vbr':4,5
                                    'search_combo'  '1970':8A,9A,32,40 '20':22 '6':11A 'bonus':19 'br':45,46 'bruce':1A,12B,23,25,33 'canadian':5A,29,37 'ckua':7A,31,39 'columbia':17,18 'electric':15C 'electronic':41 'experimental':42 'haack':2A,13B,24,26,34 'interviewed':3A,27,35 'lucifer':16C 'on':4A,28,36 'part':10A 'radio':6A,30,38 'the':14C 'v':43,44 'vbr':20,21
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica/space age pop/electronic/psychedelic/experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622801491.5954053  (2021-06-04 12:11:31)
                             'size'  5166515