<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '172.53'
                                        'duration'  '243'
                                          'artist'  'Faithless'
                                     'text_people'  ''
                                         'release'  'Forever Faithless: The Greatest Hits'
                                           'title'  "Don't Leave"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'trip hop', 'electronica', 'electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '144'
                                             'key'  '1B'
                                        'acoustid'  '667a9a0e-1031-4114-b577-450b4ad37acf'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382daa30>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1335987"/>
'TALB' (Album/Movie/Show title)                     'Forever Faithless: The Greatest Hits'
'TBPM' (BPM (beats per minute))                     '144'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Don't Leave"
'TKEY' (Initial key)                                '1B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Faithless'
'TPE2' (Band/orchestra/accompaniment)               'Faithless'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/14'
'TSO2'                                              'Faithless'
'TSOP' (Performer sort order)                       'Faithless'
'TXXX:Acoustid Id'                                  '667a9a0e-1031-4114-b577-450b4ad37acf'
'TXXX:Artists'                                      'Faithless'
'TXXX:MusicBrainz Album Artist Id'                  '23d9d74d-c95e-46a6-be26-a6075c49747a'
'TXXX:MusicBrainz Album Id'                         'f0b685e0-249f-4de6-ae5f-c3c16b2e3374'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '23d9d74d-c95e-46a6-be26-a6075c49747a'
'TXXX:MusicBrainz Release Group Id'                 '45367dc9-09c6-32dc-af3c-aa72566497dc'
'TXXX:MusicBrainz Release Track Id'                 '0b3eed57-1acc-3411-b048-d4657dfc50d5'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['dance', 'trip hop', 'electronica', 'electronic', 'house']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.448209'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fdbe76e6-37fd-41e8-bc40-0eb26bc5fbfd')

========================== row from database ==========================
                                              'id'  1335987
                                            'path'  /data/Music/Bulk/00poprockelectronic/Faithless/2005 Forever Faithless The Greatest Hits/04-faithless-dont_leave.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  243
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5338576
                                           'mtime'  1636911248
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2005 04 faithless dont_leave electronic trip hop downtempo acid jazz
                                      'tag_artist'  Faithless
                                     'tag_release'  Forever Faithless: The Greatest Hits
                                       'tag_title'  Don't Leave
                                             'bpm'  144.0
                                    'search_title'  'don':1 'dont':3 'leave':4 't':2
                                   'search_artist'  'faithless':1
                                  'search_release'  'faithless':2,3 'forever':1 'greatest':5 'hits':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '2005':2 'acid':10 'dont':4 'downtempo':9 'electronic':6 'faithless':3 'hop':8 'jazz':11 'leave':5 'trip':7
                                    'search_combo'  '00poprockelectronic':12 '2005':13 'acid':21 'don':1A 'dont':3A,15 'downtempo':20 'electronic':17 'faithless':5B,7C,8C,14 'forever':6C 'greatest':10C 'hits':11C 'hop':19 'jazz':22 'leave':4A,16 't':2A 'the':9C 'trip':18
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trip hop', 'electronica', 'electronic', 'house']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911247.8120706  (2021-11-14 18:34:07)
                             'size'  5338576