<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '55'
                                          'artist'  'Parry Gripp'
                                     'text_people'  ''
                                         'release'  'For Those About To Shop, We Salute You'
                                           'title'  "Don't Wait Too Long"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['funny', 'rock', 'comedy', 'title is a full sentence', 'geek rock', 'geek "
 "music']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '38'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;set-pl-mor'
                                             'bpm'  '130.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75040>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1516756"/>
'MCDI' (Music CD identifier)                        MCDI(data=b'3\x003\x00+\x009\x006\x00+\x009\x00D\x00B\x00+\x001\x008\x004\x00D\x00+\x002\x004\x007\x002\x00+\x003\x003\x00F\x005\x00+\x003\x00F\x006\x007\x00+\x004\x006\x00E\x00B\x00+\x005\x001\x000\x00E\x00+\x005\x00B\x008\x006\x00+\x006\x006\x000\x00D\x00+\x007\x000\x003\x009\x00+\x008\x001\x004\x00A\x00+\x008\x00B\x00B\x003\x00+\x009\x008\x003\x003\x00+\x00A\x004\x00C\x00B\x00+\x00B\x006\x00B\x00D\x00+\x00C\x000\x003\x00F\x00+\x00C\x009\x004\x004\x00+\x00D\x004\x00D\x004\x00+\x00D\x00F\x000\x00A\x00+\x00F\x002\x002\x006\x00+\x00F\x00B\x002\x004\x00+\x001\x000\x006\x009\x007\x00+\x001\x001\x002\x008\x00E\x00+\x001\x002\x001\x005\x00C\x00+\x001\x002\x00E\x00C\x005\x00+\x001\x003\x006\x00D\x000\x00+\x001\x003\x00F\x009\x00E\x00+\x001\x004\x008\x009\x00E\x00+\x001\x005\x003\x004\x007\x00+\x001\x005\x00D\x002\x00A\x00+\x001\x006\x006\x00D\x000\x00+\x001\x007\x002\x002\x002\x00+\x001\x007\x00A\x004\x00E\x00+\x001\x008\x009\x00D\x00D\x00+\x001\x009\x005\x001\x004\x00+\x001\x009\x00A\x009\x00A\x00+\x001\x00A\x005\x002\x005\x00+\x001\x00B\x005\x005\x008\x00+\x001\x00C\x002\x002\x005\x00+\x001\x00C\x00E\x001\x003\x00+\x001\x00D\x006\x009\x005\x00+\x001\x00E\x004\x006\x002\x00+\x001\x00E\x00D\x008\x00E\x00+\x001\x00F\x00D\x003\x002\x00+\x002\x000\x00B\x002\x007\x00+\x002\x001\x008\x00B\x001\x00+\x002\x002\x004\x009\x00B\x00+\x002\x003\x003\x001\x006\x00+\x002\x004\x002\x00F\x004\x00+\x002\x005\x007\x00B\x003\x00+\x002\x006\x004\x003\x005\x00\x00\x00')
'PRIV:AverageLevel:{\x1f\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1f\x00\x00')
'PRIV:PeakValue:!\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'For Those About To Shop, We Salute You'
'TBPM' (BPM (beats per minute))                     '130.5'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'set-pl-mor']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Don't Wait Too Long"
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '55293'
'TPE1' (Lead performer(s)/Soloist(s))               'Parry Gripp'
'TRCK' (Track number/Position in set)               '38'
'TSOA' (Album sort order)                           'For Those About To Shop, We Salute You'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['funny',
 'rock',
 'comedy',
 'title is a full sentence',
 'geek rock',
 'geek music']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.88 dB'
'TXXX:replaygain_track_peak'                        '0.434226'

========================== row from database ==========================
                                              'id'  1516756
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Parry Gripp - 2005 - For Those About To Shop, We Salute You/38 Don_t Wait Too Long.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  55
                                           'genre'  ifs-songwriter;set-pl-mor
                                        'filesize'  2325070
                                           'mtime'  1628356126
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2005 38 Don_t ifs songwriter;set pl mor
                                      'tag_artist'  Parry Gripp
                                     'tag_release'  For Those About To Shop, We Salute You
                                       'tag_title'  Don't Wait Too Long
                                             'bpm'  130.5
                                    'search_title'  'don':1 'dont':3 'long':6 't':2 'too':5 'wait':4
                                   'search_artist'  'gripp':2 'parry':1
                                  'search_release'  'about':3 'for':1 'salute':8 'shop':5,6 'those':2 'to':4 'we':7 'you':9
                                     'search_rest'  '00singer':1 '2005':4 '38':5 'don':6 'eos':3 'ifs':8 'mor':14 'pl':13 'set':10,12 'songwriter':2,9,11 't':7
                                    'search_combo'  '00singer':18 '2005':21 '38':22 'about':11C 'don':1A,23 'dont':3A 'eos':20 'for':9C 'gripp':8B 'ifs':25 'long':6A 'mor':31 'parry':7B 'pl':30 'salute':16C 'set':27,29 'shop':13C,14C 'songwriter':19,26,28 't':2A,24 'those':10C 'to':12C 'too':5A 'wait':4A 'we':15C 'you':17C
                                    'tag_tracknum'  38
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funny', 'rock', 'comedy', 'title is a full sentence', 'geek rock', 'geek music']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1628356126.1130033  (2021-08-07 19:08:46)
                             'size'  2325070