======================== unified (from filesystem) ========================
                                         'bitrate'  '176.547'
                                        'duration'  '113'
                                          'artist'  'THE CHERRY COKE$'
                                     'text_people'  ''
                                         'release'  'Beer My Friends'
                                           'title'  "When the Saints Marchin' In"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk rock', 'celtic punk', 'punk', 'japanese', 'folk punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-unsorted;set-pl-sced'
                                             'bpm'  '95.4'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beer My Friends'
'TBPM' (BPM (beats per minute))                     '95.4'
'TCON' (Content type, a.k.a. Genre)                 ['loc-unsorted', 'set-pl-sced']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "When the Saints Marchin' In"
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'THE CHERRY COKE$'
'TPE2' (Band/orchestra/accompaniment)               'THE CHERRY COKE$'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['folk rock', 'celtic punk', 'punk', 'japanese', 'folk punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.351867'

========================== row from database ==========================
                                              'id'  1520566
                                            'path'  /data/Music/Bulk/00poprockelectronic/THE CHERRY COKE$/[2004] Beer My Friends/When the Saints Marchin_ In.mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  113
                                           'genre'  loc-unsorted;set-pl-sced
                                        'filesize'  2547138
                                           'mtime'  1621630205
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2004] Marchin_ loc unsorted;set pl sced
                                      'tag_artist'  THE CHERRY COKE$
                                     'tag_release'  Beer My Friends
                                       'tag_title'  When the Saints Marchin' In
                                             'bpm'  95.4
                                    'search_title'  'in':6 'marchin':4,5 'saints':3 'the':2 'when':1
                                   'search_artist'  'cherry':2 'coke':3 'the':1
                                  'search_release'  'beer':1 'friends':3 'my':2
                                     'search_rest'  '00poprockelectronic':1 '2004':2,3 'loc':5 'marchin':4 'pl':10 'sced':11 'set':7,9 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':13 '2004':14,15 'beer':10C 'cherry':8B 'coke':9B 'friends':12C 'in':6A 'loc':17 'marchin':4A,5A,16 'my':11C 'pl':22 'saints':3A 'sced':23 'set':19,21 'the':2A,7B 'unsorted':18,20 'when':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'celtic punk', 'punk', 'japanese', 'folk punk']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630205.449557  (2021-05-21 22:50:05)
                             'size'  2547138