<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '222.693'
                                        'duration'  '180'
                                          'artist'  'Autumn'
                                     'text_people'  ''
                                         'release'  'The Lost Tapes'
                                           'title'  'Time Is on Our Side'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['female fronted metal', 'doom metal', 'metal', 'gothic metal', 'gothic "
 "rock', 'symphonic metal']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '137.9'
                                             'key'  '7A'
                                        'acoustid'  '2f9613e6-807a-44cf-acc3-c1e4bd550a54'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81730>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=654558"/>
'PRIV:AverageLevel:\x06 \x00\x00'                   PRIV(owner='AverageLevel', data=b'\x06 \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Lost Tapes'
'TBPM' (BPM (beats per minute))                     '137.9'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-05-25'
'TENC' (Encoded by)                                 'LAME 3.97'
'TIT2' (Title/songname/content description)         'Time Is on Our Side'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Autumn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Minimal Wave'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Autumn'
'TXXX:Acoustid Id'                                  '2f9613e6-807a-44cf-acc3-c1e4bd550a54'
'TXXX:CATALOGNUMBER'                                'MW003'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3cc7b91d-d9c3-4b1e-9d52-37c15aa17fc4'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '3b344baa-f8dd-405c-ace4-0520f4ebd5b4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['female fronted metal',
 'doom metal',
 'metal',
 'gothic metal',
 'gothic rock',
 'symphonic metal']
'TXXX:q-bass'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.16 dB'
'TXXX:replaygain_track_peak'                        '0.311127'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'269fa884-ef94-4abf-9b18-29239093941e')
'WXXX:'                                             WXXX(encoding=&lt;Encoding.UTF16: 1&gt;, desc='', url='Http://www.Minimal-Wave.Org/')

========================== row from database ==========================
                                              'id'  654558
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Minimal Wave/[MW003] Various - The Lost Tapes (LP, Comp, Ltd) [2006] VBR/02-autumn-time_is_on_our_side.mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  180
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5078900
                                           'mtime'  1620540474
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Minimal Wave [MW003] Various (LP, Comp, Ltd) [2006] VBR 02 autumn time_is_on_our_side electronic we new wave or post punk
                                      'tag_artist'  Autumn
                                     'tag_release'  The Lost Tapes
                                       'tag_title'  Time Is on Our Side
                                             'bpm'  137.9
                                    'search_title'  'is':2 'on':3 'our':4 'side':5 'time':1
                                   'search_artist'  'autumn':1
                                  'search_release'  'lost':2 'tapes':3 'the':1
                                     'search_rest'  '2006':12,13 'autumn':15 'comp':8,9 'electronic':21 'is':17 'lp':6,7 'ltd':10,11 'minimal':1 'mw003':3,4 'new':23 'on':18 'or':24 'our':19 'post':25 'punk':26 'side':20 'time':16 'various':5 'vbr':14 'wave':2 'we':22
                                    'search_combo'  '2006':21,22 'autumn':6B,24 'comp':17,18 'electronic':30 'is':2A,26 'lost':8C 'lp':15,16 'ltd':19,20 'minimal':10 'mw003':12,13 'new':32 'on':3A,27 'or':33 'our':4A,28 'post':34 'punk':35 'side':5A,29 'tapes':9C 'the':7C 'time':1A,25 'various':14 'vbr':23 'wave':11 'we':31
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['female fronted metal', 'doom metal', 'metal', 'gothic metal', 'gothic rock', 'symphonic metal']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620540474.306568  (2021-05-09 08:07:54)
                             'size'  5078900