======================== unified (from filesystem) ========================
                                         'bitrate'  '222.964'
                                        'duration'  '257'
                                          'artist'  'Matmos'
                                     'text_people'  ''
                                         'release'  'The Civil War'
                                           'title'  'Pelt and Holler'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '9'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch'
                                             'bpm'  '132.8'
                                             'key'  '3A'
                                        'acoustid'  '6688595c-a565-4a4e-a734-607c482fb1c4'
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'\x00Z\x01\n\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x001\t\x00\x10\x03\x00\x00\x00\x82 \x00\x10\x04\x00\x00\x01)\x94\x00\x10\x05\x00\x00\x01\xca\x15\x00\x10\x06\x00\x00\x02\x08\x01\x00\x10\x07\x00\x00\x02-S\x00\x10\x08\x00\x00\x02x\xb5\x00\x10\t\x00\x00\x02\xda\x99\x00\x14\n\x00\x00\x03R\xff\x00\x14\xaa\x00\x00\x03z\xbc\xff\xff')
'TALB' (Album/Movie/Show title)                     'The Civil War'
'TBPM' (BPM (beats per minute))                     '132.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-09-23'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Pelt and Holler'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '257306'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Matmos'
'TPE2' (Band/orchestra/accompaniment)               'Matmos'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Matador'
'TRCK' (Track number/Position in set)               '7/9'
'TSO2'                                              'Matmos'
'TSOP' (Performer sort order)                       'Matmos'
'TSRC' (ISRC (international standard recording code))  'USMTD0359007'
'TSSE' (Software/Hardware and settings used for encoding)  'lame.exe -h -v -b 160 -V 0 --vbr-new'
'TXXX:ASIN'                                         'B0000ALWDP'
'TXXX:Acoustid Id'                                  '6688595c-a565-4a4e-a734-607c482fb1c4'
'TXXX:BARCODE'                                      '766481220244'
'TXXX:CATALOGNUMBER'                                'OLE 590-2'
'TXXX:MusicBrainz Album Artist Id'                  '46e8a8ee-d2cd-4165-9725-02f72d0027a9'
'TXXX:MusicBrainz Album Id'                         'ca9c98c2-d396-4d69-a1e1-cdee9409b2a1'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '46e8a8ee-d2cd-4165-9725-02f72d0027a9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.14 dB'
'TXXX:replaygain_track_peak'                        '0.908527'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e024471b-bbee-4668-bbf1-9321120a80e9')

========================== row from database ==========================
                                              'id'  1386633
                                            'path'  /data/Music/Bulk/00poprockelectronic/Matmos - The Civil War/07- Pelt And Holler.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  257
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  7172992
                                           'mtime'  1636136302
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 And electronic experimental glitch
                                      'tag_artist'  Matmos
                                     'tag_release'  The Civil War
                                       'tag_title'  Pelt and Holler
                                             'bpm'  132.8
                                    'search_title'  'and':2 'holler':3 'pelt':1
                                   'search_artist'  'matmos':1
                                  'search_release'  'civil':2 'the':1 'war':3
                                     'search_rest'  '00poprockelectronic':1 'and':2 'electronic':3 'experimental':4 'glitch':5
                                    'search_combo'  '00poprockelectronic':8 'and':2A,9 'civil':6C 'electronic':10 'experimental':11 'glitch':12 'holler':3A 'matmos':4B 'pelt':1A 'the':5C 'war':7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636136301.6756406  (2021-11-05 19:18:21)
                             'size'  7172992