======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'University of California Trojan Marching Band'
                                     'text_people'  ''
                                         'release'  'Outtakes from the 2003 365 Days Project - Part IV'
                                           'title'  "Theme from 'SWAT'"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '138.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Outtakes from the 2003 365 Days Project - Part IV'
'TBPM' (BPM (beats per minute))                     '138.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         "Theme from 'SWAT'"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'University of California Trojan Marching Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.588399'

========================== row from database ==========================
                                              'id'  660213
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/289_09_University_of_California_Trojan_Marching_Band_-_Theme_from_SWAT.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  electronic-unsorted
                                        'filesize'  3957869
                                           'mtime'  1642255615
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 289_09_University_of_California_Trojan_Marching_Band_ _Theme_from_SWAT electronic unsorted
                                      'tag_artist'  University of California Trojan Marching Band
                                     'tag_release'  Outtakes from the 2003 365 Days Project - Part IV
                                       'tag_title'  Theme from 'SWAT'
                                             'bpm'  138.6
                                    'search_title'  'from':2 'swat':3,4 'theme':1
                                   'search_artist'  'band':6 'california':3 'marching':5 'of':2 'trojan':4 'university':1
                                  'search_release'  '2003':4 '365':5 'days':6 'from':2 'iv':9 'outtakes':1 'part':8 'project':7 'the':3
                                     'search_rest'  '09':2 '289':1 'band':8 'california':5 'electronic':12 'from':10 'marching':7 'of':4 'swat':11 'theme':9 'trojan':6 'university':3 'unsorted':13
                                    'search_combo'  '09':21 '2003':14C '289':20 '365':15C 'band':10B,27 'california':7B,24 'days':16C 'electronic':31 'from':2A,12C,29 'iv':19C 'marching':9B,26 'of':6B,23 'outtakes':11C 'part':18C 'project':17C 'swat':3A,4A,30 'the':13C 'theme':1A,28 'trojan':8B,25 'university':5B,22 'unsorted':32
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642255615.4223282  (2022-01-15 15:06:55)
                             'size'  3957869