======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'Tommy Guerrero'
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                                      'lastfmtags'  "['downtempo', 'chillout', 'instrumental', 'fip', 'electronic', 'indie rock']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '15'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '111.8'
                                             'key'  '12A'
                                        'acoustid'  '288dfec1-fdfc-4f5f-89e3-09be606c57ce'
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 000019D6 00001C6F 0000B2C2 0000DB85 0001920A 00004F7D 0000845F 000086D6 '
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'COMM:iTunes_CDDB_IDs:eng'                          '15++'
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'TBPM' (BPM (beats per minute))                     '111.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-09-26'
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'TIT2' (Title/songname/content description)         'The Gunslinger'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tommy Guerrero'
'TPE2' (Band/orchestra/accompaniment)               'Tommy Guerrero'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'AWDR/LR2/Rush! Production'
'TRCK' (Track number/Position in set)               '2/15'
'TSO2'                                              'Guerrero, Tommy'
'TSOP' (Performer sort order)                       'Guerrero, Tommy'
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'TXXX:Artists'                                      'Tommy Guerrero'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
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'TXXX:lastfmtags'                                   ['downtempo', 'chillout', 'instrumental', 'fip', 'electronic', 'indie rock']
'TXXX:originalyear'                                 '2012'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
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'TXXX:replaygain_track_peak'                        '0.314271'
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========================== row from database ==========================
                                              'id'  1485231
                                            'path'  /data/Music/Bulk/00poprockelectronic/tommy guerrero - no mans land (2014)/02 the gunslinger.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9575379
                                           'mtime'  1636911481
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic tommy guerrero no mans land (2014) 02 the gunslinger electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Tommy Guerrero
                                     'tag_release'  No Man's Land
                                       'tag_title'  The Gunslinger
                                             'bpm'  111.8
                                    'search_title'  'gunslinger':2 'the':1
                                   'search_artist'  'guerrero':2 'tommy':1
                                  'search_release'  'land':5 'man':2 'mans':4 'no':1 's':3
                                     'search_rest'  '00poprockelectronic':1 '2014':7,8 'acid':16 'downtempo':15 'electronic':11 'guerrero':3 'gunslinger':10 'hop':13 'jazz':17 'land':6 'mans':5 'no':4 'or':14 'the':9 'tommy':2 'trip':12
                                    'search_combo'  '00poprockelectronic':10 '2014':16,17 'acid':25 'downtempo':24 'electronic':20 'guerrero':4B,12 'gunslinger':2A,19 'hop':22 'jazz':26 'land':9C,15 'man':6C 'mans':8C,14 'no':5C,13 'or':23 's':7C 'the':1A,18 'tommy':3B,11 'trip':21
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['downtempo', 'chillout', 'instrumental', 'fip', 'electronic', 'indie rock']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911480.9484017  (2021-11-14 18:38:00)
                             'size'  9575379