<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '180.95'
                                        'duration'  '304'
                                          'artist'  'Hawkwind'
                                     'text_people'  ''
                                         'release'  'In Search of Space'
                                           'title'  'Born to Go (live single version edit)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '9'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '138.512'
                                             'key'  '2A'
                                        'acoustid'  '09bcf268-05a1-42e2-9792-00b9defeb53b'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1d00>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1415030"/>
'TALB' (Album/Movie/Show title)                     'In Search of Space'
'TBPM' (BPM (beats per minute))                     '138.512'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '2010-02-28'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Born to Go (live single version edit)'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'SHM-CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Hawkwind'
'TPE2' (Band/orchestra/accompaniment)               'Hawkwind'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '9/9'
'TSO2'                                              'Hawkwind'
'TSOP' (Performer sort order)                       'Hawkwind'
'TXXX:Acoustid Id'                                  '09bcf268-05a1-42e2-9792-00b9defeb53b'
'TXXX:BARCODE'                                      '4988006881624'
'TXXX:CATALOGNUMBER'                                'TOCP-95060'
'TXXX:MusicBrainz Album Artist Id'                  '5a28f8c2-31fb-4047-ae57-c5c326989262'
'TXXX:MusicBrainz Album Id'                         '1b969f23-4e5a-40f7-8bd9-6fac486f0953'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5a28f8c2-31fb-4047-ae57-c5c326989262'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.46 dB'
'TXXX:replaygain_track_peak'                        '0.509920'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a6b46949-5fb5-49a1-b17c-7606be47ccb9')

========================== row from database ==========================
                                              'id'  1415030
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Hawkwind - In Search of Space/09 Born To Go (Live Single Version Edit).mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  304
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  7851806
                                           'mtime'  1620736231
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 09 To (Live Single Version Edit) rock cppex psychedelic
                                      'tag_artist'  Hawkwind
                                     'tag_release'  In Search of Space
                                       'tag_title'  Born to Go (live single version edit)
                                             'bpm'  138.512
                                    'search_title'  'born':1 'edit':8,9 'go':3 'live':4,5 'single':6 'to':2 'version':7
                                   'search_artist'  'hawkwind':1
                                  'search_release'  'in':1 'of':3 'search':2 'space':4
                                     'search_rest'  'classicprogpsy':1 'cppex':10 'edit':7,8 'live':3,4 'psychedelic':11 'rock':9 'single':5 'to':2 'version':6
                                    'search_combo'  'born':1A 'classicprogpsy':15 'cppex':24 'edit':8A,9A,21,22 'go':3A 'hawkwind':10B 'in':11C 'live':4A,5A,17,18 'of':13C 'psychedelic':25 'rock':23 'search':12C 'single':6A,19 'space':14C 'to':2A,16 'version':7A,20
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736230.7412927  (2021-05-11 14:30:30)
                             'size'  7851806