======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '443'
                                          'artist'  'F.S. Blumm & Nils Frahm'
                                     'text_people'  ''
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                                           'title'  'Kugler'
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['instrumental', 'modern classical', 'piano', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '9'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '98'
                                             'key'  '9B'
                                        'acoustid'  '585c4373-0e94-4289-81a1-681669c77e37'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Music for Lovers, Music Versus Time'
'TBPM' (BPM (beats per minute))                     '98'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-06-18'
'TIT2' (Title/songname/content description)         'Kugler'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'F.S. Blumm & Nils Frahm'
'TPE2' (Band/orchestra/accompaniment)               'F.S. Blumm & Nils Frahm'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sonic Pieces'
'TRCK' (Track number/Position in set)               '1/9'
'TSO2'                                              'F.S. Blumm & Frahm, Nils'
'TSOP' (Performer sort order)                       'F.S. Blumm & Frahm, Nils'
'TSRC' (ISRC (international standard recording code))  'DEX261381701'
'TXXX:Acoustid Id'                                  '585c4373-0e94-4289-81a1-681669c77e37'
'TXXX:Artists'                                      'F.S. Blumm/Nils Frahm'
'TXXX:CATALOGNUMBER'                                'sonicpieces 008'
'TXXX:MusicBrainz Album Artist Id'                  '20741f23-0e12-49d6-b606-5945ed3e8de0/d03a54bc-6e07-4c04-a8d4-7fbf2bd07a01'
'TXXX:MusicBrainz Album Id'                         'c83acc88-6728-4627-9542-e88575eab9a0'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '20741f23-0e12-49d6-b606-5945ed3e8de0/d03a54bc-6e07-4c04-a8d4-7fbf2bd07a01'
'TXXX:MusicBrainz Release Group Id'                 'c3772b0c-3045-4f57-9efb-99116a4e04fd'
'TXXX:MusicBrainz Release Track Id'                 'ea758ce5-2cf1-3acc-a3cf-ec53de72cbea'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'modern classical', 'piano', 'experimental', 'ambient']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.99 dB'
'TXXX:replaygain_track_peak'                        '0.590998'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a5d10f9b-6b0e-4645-bbf9-e1db0c3851fa')

========================== row from database ==========================
                                              'id'  196583
                                            'path'  /data/Music/Bulk/00instruments-classical/Nils Frahm/2010 - Music For Lovers Music Versus Time (& F.S. Blumm)/01 - Kugler.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  443
                                           'genre'  electronic-ambient
                                        'filesize'  17785740
                                           'mtime'  1636910490
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 2010 For (& Blumm) 01 electronic ambient
                                      'tag_artist'  F.S. Blumm & Nils Frahm
                                     'tag_release'  Music for Lovers, Music Versus Time
                                       'tag_title'  Kugler
                                             'bpm'  98.0
                                    'search_title'  'kugler':1
                                   'search_artist'  'blumm':4 'f':1 'frahm':6 'fs':3 'nils':5 's':2
                                  'search_release'  'for':2 'lovers':3,4 'music':1 'time':6 'versus':5
                                     'search_rest'  '00instruments':1 '2010':3 'ambient':8 'blumm':5,6 'classical':2 'electronic':7 'for':4
                                    'search_combo'  '00instruments':14 '2010':16 'ambient':21 'blumm':5B,18,19 'classical':15 'electronic':20 'f':2B 'for':9C,17 'frahm':7B 'fs':4B 'kugler':1A 'lovers':10C,11C 'music':8C 'nils':6B 's':3B 'time':13C 'versus':12C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'modern classical', 'piano', 'experimental', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910490.0260136  (2021-11-14 18:21:30)
                             'size'  17785740