======================== unified (from filesystem) ========================
                                         'bitrate'  '224.743'
                                        'duration'  '244'
                                          'artist'  'Jay-Z And Linkin Park'
                                     'text_people'  ''
                                         'release'  'Collision Course'
                                           'title'  'Dirt Off Your Shoulder/Lying from You'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['linkin park', 'alternative', 'hip hop', 'rap', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '106.9'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Collision Course'
'TBPM' (BPM (beats per minute))                     '106.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Dirt Off Your Shoulder/Lying from You'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jay-Z And Linkin Park'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['linkin park', 'alternative', 'hip hop', 'rap', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.314416'

========================== row from database ==========================
                                              'id'  1358393
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linkin Park/Jay-Z & Linkin Park/101 - dirt off your shoulder-lying from you.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  244
                                           'genre'  eid-metal-nu
                                        'filesize'  6988247
                                           'mtime'  1620311142
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & 101 dirt off your shoulder lying you eid metal nu
                                      'tag_artist'  Jay-Z And Linkin Park
                                     'tag_release'  Collision Course
                                       'tag_title'  Dirt Off Your Shoulder/Lying from You
                                             'bpm'  106.9
                                    'search_title'  'dirt':1 'from':7 'lying':5 'off':2 'shoulder':4 'shoulderlying':6 'you':8 'your':3
                                   'search_artist'  'and':4 'jay':1 'jayz':3 'linkin':5 'park':6 'z':2
                                  'search_release'  'collision':1 'course':2
                                     'search_rest'  '00poprockelectronic':1 '101':2 'dirt':3 'eid':9 'lying':7 'metal':10 'nu':11 'off':4 'shoulder':6 'you':8 'your':5
                                    'search_combo'  '00poprockelectronic':17 '101':18 'and':12B 'collision':15C 'course':16C 'dirt':1A,19 'eid':25 'from':7A 'jay':9B 'jayz':11B 'linkin':13B 'lying':5A,23 'metal':26 'nu':27 'off':2A,20 'park':14B 'shoulder':4A,22 'shoulderlying':6A 'you':8A,24 'your':3A,21 'z':10B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['linkin park', 'alternative', 'hip hop', 'rap', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311142.300318  (2021-05-06 16:25:42)
                             'size'  6988247