======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '148'
                                          'artist'  'Mouse on Mars'
                                     'text_people'  ''
                                         'release'  'Niun Niggung'
                                           'title'  'Download Sofist'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '144.4'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000005F1 00000646 0000364D 00003959 00021282 0001F0F0 00007F5C 00008146 '
 '0001A849 00006FD6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000081C 0000000000641ED4 00000000 00366EB2 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'AF0C130D+232037+13+150+11312+28635+45000+68210+85525+107047+131245+147202+163365+187137+201832+210487'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'Niun Niggung'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted',
 'electronic-unsorted',
 'electronic',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes 11.1.3.8'
'TIT2' (Title/songname/content description)         'Download Sofist'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mouse on Mars'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/13'
'TSSE' (Software/Hardware and settings used for encoding)  'iTunes 11.1.3.8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.503959'

========================== row from database ==========================
                                              'id'  849899
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/MOUSE ON MARS-Niun Niggung/01 Download Sofist.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  148
                                           'genre'  electronic-unsorted;electronic;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3582548
                                           'mtime'  1636912584
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm MOUSE ON MARS 01 electronic unsorted;electronic;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Mouse on Mars
                                     'tag_release'  Niun Niggung
                                       'tag_title'  Download Sofist
                                             'bpm'  144.4
                                    'search_title'  'download':1 'sofist':2
                                   'search_artist'  'mars':3 'mouse':1 'on':2
                                  'search_release'  'niggung':2 'niun':1
                                     'search_rest'  'electronic':4,6,9 'mars':3 'mor':16 'mouse':1 'on':2 'pl':11 'set':7,10,13,15 'shirleyspinoza':12,14 'unsorted':5,8
                                    'search_combo'  'download':1A 'electronic':11,13,16 'mars':5B,10 'mor':23 'mouse':3B,8 'niggung':7C 'niun':6C 'on':4B,9 'pl':18 'set':14,17,20,22 'shirleyspinoza':19,21 'sofist':2A 'unsorted':12,15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912583.5509174  (2021-11-14 18:56:23)
                             'size'  3582548