======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '223'
                                          'artist'  'Storm'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Storm'
                                           'quals'  ("['Q-HAP-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['folk metal', 'viking metal', 'norwegian', 'black metal', 'trance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '134'
                                             'key'  '5A'
                                        'acoustid'  '04cfdcdd-2c36-4459-80ea-60dcd595c3e0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '134'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Storm'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Storm'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'Blanco y Negro Music'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Storm'
'TSST' (Set subtitle)                               'Techno & Progressive'
'TXXX:ASIN'                                         'B00000I39R'
'TXXX:Acoustid Id'                                  '04cfdcdd-2c36-4459-80ea-60dcd595c3e0'
'TXXX:Artists'                                      'Storm'
'TXXX:BARCODE'                                      '8421597018605'
'TXXX:CATALOGNUMBER'                                'MXCD 933 (cd) CTV'
'TXXX:Q-HAP'                                        '1'
'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'                                   ['folk metal', 'viking metal', 'norwegian', 'black metal', 'trance']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.544424'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5483f596-6e68-403f-8c66-0d7dbb5145b3')

========================== row from database ==========================
                                              'id'  1350052
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 - Storm - Storm.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  223
                                           'genre'  eid-metal
                                        'filesize'  3173680
                                           'mtime'  1620301826
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 eid metal
                                      'tag_artist'  Storm
                                     'tag_release'  None
                                       'tag_title'  Storm
                                             'bpm'  134.0
                                    'search_title'  'storm':1
                                   'search_artist'  'storm':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eid':7 'files':5,6 'loose':3,4 'metal':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':3 'eid':9 'files':7,8 'loose':5,6 'metal':10 'storm':1A,2B 'unsorted':4
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk metal', 'viking metal', 'norwegian', 'black metal', 'trance']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620301825.9678855  (2021-05-06 13:50:25)
                             'size'  3173680