======================== unified (from filesystem) ========================
                                         'bitrate'  '319.978'
                                        'duration'  '371'
                                          'artist'  'Paul Kalkbrenner'
                                     'text_people'  ''
                                         'release'  'Berlin Calling'
                                           'title'  'Azure'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['chill', 'electronic', 'chillout', 'minimal', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '16'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '122'
                                             'key'  '4A'
                                        'acoustid'  '8a076336-d264-4af0-9b99-feb694cfdd81'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Deep House -'
'TALB' (Album/Movie/Show title)                     'Berlin Calling'
'TBPM' (BPM (beats per minute))                     '122'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-10-02'
'TIT2' (Title/songname/content description)         'Azure'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Kalkbrenner'
'TPE2' (Band/orchestra/accompaniment)               'Paul Kalkbrenner'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BPitch Control'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Kalkbrenner, Paul'
'TSOP' (Performer sort order)                       'Kalkbrenner, Paul'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:ASIN'                                         'B001JERMFW'
'TXXX:Acoustid Id'                                  '8a076336-d264-4af0-9b99-feb694cfdd81'
'TXXX:Artists'                                      'Paul Kalkbrenner'
'TXXX:BARCODE'                                      '0880319333620'
'TXXX:CATALOGNUMBER'                                'BPC 185'
'TXXX:MusicBrainz Album Artist Id'                  'a5f92d47-b562-4582-b267-71963a515f4c'
'TXXX:MusicBrainz Album Id'                         '4621aba3-8a2c-47a8-b051-362225c731a9'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        'a5f92d47-b562-4582-b267-71963a515f4c'
'TXXX:MusicBrainz Release Group Id'                 'a52aeb84-0f3e-38b1-b5e0-35e868deb981'
'TXXX:MusicBrainz Release Track Id'                 '487f8852-f8c8-3299-8eaa-0a87b34f782d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['chill', 'electronic', 'chillout', 'minimal', 'ambient']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+10.79 dB'
'TXXX:replaygain_track_peak'                        '0.154593'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cbd59b4d-cdac-4ad1-9a02-952cf19c5270')

========================== row from database ==========================
                                              'id'  1315718
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Paul Kalkbrenner - Berlin calling/03 Paul Kalkbrenner_Azure_Original Mix.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  371
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  14940803
                                           'mtime'  1621085172
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats calling 03 Kalkbrenner_Azure_Original Mix electronic th techno minimal or deephouse
                                      'tag_artist'  Paul Kalkbrenner
                                     'tag_release'  Berlin Calling
                                       'tag_title'  Azure
                                             'bpm'  122.0
                                    'search_title'  'azure':1
                                   'search_artist'  'kalkbrenner':2 'paul':1
                                  'search_release'  'berlin':1 'calling':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'azure':8 'beats':5 'calling':6 'deephouse':16 'electronic':11 'harder':4 'house':3 'kalkbrenner':7 'minimal':14 'mix':10 'or':15 'original':9 'techno':13 'th':12
                                    'search_combo'  '00poprockelectronic':6 '00techno':7 'azure':1A,13 'beats':10 'berlin':4C 'calling':5C,11 'deephouse':21 'electronic':16 'harder':9 'house':8 'kalkbrenner':3B,12 'minimal':19 'mix':15 'or':20 'original':14 'paul':2B 'techno':18 'th':17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chill', 'electronic', 'chillout', 'minimal', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085171.5488982  (2021-05-15 15:26:11)
                             'size'  14940803