======================== unified (from filesystem) ========================
                                         'bitrate'  '175.612'
                                        'duration'  '200'
                                          'artist'  'Jazzbit'
                                     'text_people'  ''
                                         'release'  'The Electro Swing Revolution'
                                           'title'  'Sing, Sing, Sing (With a Swing)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'Q-PLAY-2', 'q-bass-3', 'Q-CHART-3', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['acid jazz', 'tech house', 'italian', 'jazz', 'electro-swing']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '16'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.0'
                                             'key'  '9A'
                                        'acoustid'  'f7bb8d1e-d4f5-407b-9fff-868546dfeabc'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Electro Swing Revolution'
'TBPM' (BPM (beats per minute))                     '125.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-04-01'
'TIT2' (Title/songname/content description)         'Sing, Sing, Sing (With a Swing)'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jazzbit'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  "Lola's World"
'TRCK' (Track number/Position in set)               '12/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Jazzbit'
'TSRC' (ISRC (international standard recording code))  'ITL010200428'
'TSST' (Set subtitle)                               'Dance, Dance, Dance'
'TXXX:ASIN'                                         'B004GJ73ZG'
'TXXX:Acoustid Id'                                  'f7bb8d1e-d4f5-407b-9fff-868546dfeabc'
'TXXX:Artists'                                      'Jazzbit'
'TXXX:BARCODE'                                      '4260036283358'
'TXXX:CATALOGNUMBER'                                'CLS0002352'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '6e7b27b8-d0a3-4943-b50b-6be6824b0ce2'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '1f0cb931-3fe4-46a0-bbd4-42ce8959bd0d'
'TXXX:MusicBrainz Release Group Id'                 'c5060339-c7f1-410b-8704-4b012471ca57'
'TXXX:MusicBrainz Release Track Id'                 'c4aa0b07-1dcb-35f8-8e97-6fcedc037cb6'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['acid jazz', 'tech house', 'italian', 'jazz', 'electro-swing']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-9.25 dB'
'TXXX:replaygain_track_peak'                        '1.092135'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'628b2bb0-48f2-4487-ac6a-6b6e8281ac99')

========================== row from database ==========================
                                              'id'  1482024
                                            'path'  /data/Music/Bulk/00poprockelectronic/1 [223k VBR]/12 Jazzbit - Sing, Sing, Sing (with A Swing).mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  200
                                           'genre'  electronic-unsorted
                                        'filesize'  4502021
                                           'mtime'  1640870563
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1 [223k VBR] 12 (with A electronic unsorted
                                      'tag_artist'  Jazzbit
                                     'tag_release'  The Electro Swing Revolution
                                       'tag_title'  Sing, Sing, Sing (With a Swing)
                                             'bpm'  125.0
                                    'search_title'  'a':5 'sing':1,2 'swing':6,7 'with':3,4
                                   'search_artist'  'jazzbit':1
                                  'search_release'  'electro':2 'revolution':4 'swing':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1':2 '223k':3,4 'a':9 'electronic':10 'unsorted':11 'vbr':5,6 'with':7,8
                                    'search_combo'  '00poprockelectronic':13 '1':14 '223k':15,16 'a':5A,21 'electro':10C 'electronic':22 'jazzbit':8B 'revolution':12C 'sing':1A,2A 'swing':6A,7A,11C 'the':9C 'unsorted':23 'vbr':17,18 'with':3A,4A,19,20
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-3', 'Q-CHART-3', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['acid jazz', 'tech house', 'italian', 'jazz', 'electro-swing']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1640870563.337288  (2021-12-30 14:22:43)
                             'size'  4502021