======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'Nachtmahr'
                                     'text_people'  ''
                                         'release'  'Electronic Saviors: Industrial Music to Cure Cancer'
                                           'title'  'Katharsis (Purification mix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['industrial', 'ebm', 'dark electro', 'german', 'black metal', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '17'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '145.8'
                                             'key'  '8A'
                                        'acoustid'  '65294da5-9c68-4778-9bc6-89e9ef0fa2ea'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Electronic Saviors: Industrial Music to Cure Cancer'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-01-21'
'TIT2' (Title/songname/content description)         'Katharsis (Purification mix)'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nachtmahr'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/5'
'TPUB' (Publisher)                                  'Metropolis Records'
'TRCK' (Track number/Position in set)               '5/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Nachtmahr'
'TSST' (Set subtitle)                               'Surgery'
'TXXX:ASIN'                                         'B00313O69Y'
'TXXX:Acoustid Id'                                  '65294da5-9c68-4778-9bc6-89e9ef0fa2ea'
'TXXX:Artists'                                      'Nachtmahr'
'TXXX:BARCODE'                                      '782388063029'
'TXXX:CATALOGNUMBER'                                'MET 630'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '2495504d-bd5b-48a4-aa75-f4b8519ed462'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '2d25118d-d49a-4b21-8431-00f6771d768f'
'TXXX:MusicBrainz Release Group Id'                 'bed9e1b0-e043-4881-8921-73b845cd5abc'
'TXXX:MusicBrainz Release Track Id'                 'f60c1d9c-291a-3750-935e-5c9a44fadc1d'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['industrial', 'ebm', 'dark electro', 'german', 'black metal', 'electronic']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.58 dB'
'TXXX:replaygain_track_peak'                        '0.392225'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f67e7e42-c183-4a39-88d8-16ba89df7da6')

========================== row from database ==========================
                                              'id'  1488539
                                            'path'  /data/Music/Bulk/00dwimp/CD 3 - Surgery/05. Nachtmahr - Katharsis (Purification Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  8878786
                                           'mtime'  1620296658
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp CD 3 Surgery 05. Mix) eid ebm industrial darkwave futurepop
                                      'tag_artist'  Nachtmahr
                                     'tag_release'  Electronic Saviors: Industrial Music to Cure Cancer
                                       'tag_title'  Katharsis (Purification mix)
                                             'bpm'  145.8
                                    'search_title'  'katharsis':1 'mix':4,5 'purification':2,3
                                   'search_artist'  'nachtmahr':1
                                  'search_release'  'cancer':8 'cure':7 'electronic':1 'industrial':4 'music':5 'saviors':2,3 'to':6
                                     'search_rest'  '00dwimp':1 '05':5,6 '3':3 'cd':2 'darkwave':12 'ebm':10 'eid':9 'futurepop':13 'industrial':11 'mix':7,8 'surgery':4
                                    'search_combo'  '00dwimp':15 '05':19,20 '3':17 'cancer':14C 'cd':16 'cure':13C 'darkwave':26 'ebm':24 'eid':23 'electronic':7C 'futurepop':27 'industrial':10C,25 'katharsis':1A 'mix':4A,5A,21,22 'music':11C 'nachtmahr':6B 'purification':2A,3A 'saviors':8C,9C 'surgery':18 'to':12C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['industrial', 'ebm', 'dark electro', 'german', 'black metal', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296657.8570247  (2021-05-06 12:24:17)
                             'size'  8878786