======================== unified (from filesystem) ========================
                                         'bitrate'  '209.715'
                                        'duration'  '261'
                                          'artist'  'Shiny Toy Guns'
                                     'text_people'  'Chad Petree'
                                         'release'  'We Are Pilots'
                                           'title'  'Waiting'
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                                      'lastfmtags'  "['indie', 'electronica', 'electronic', 'dance', 'rock']"
                                     'discogstags'  "['electronic', 'synth-pop', 'electroclash']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '122.363'
                                             'key'  '2B'
                                        'acoustid'  '71484596-fdaa-4ef4-aea3-c1873b35929a'
rest: ''

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'TALB' (Album/Movie/Show title)                     'We Are Pilots'
'TBPM' (BPM (beats per minute))                     '122.363'
'TCOM' (Composer)                                   'Chad Petree'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-01-31'
'TIT2' (Title/songname/content description)         'Waiting'
'TKEY' (Initial key)                                '2B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiny Toy Guns'
'TPE2' (Band/orchestra/accompaniment)               'Shiny Toy Guns'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Universal/Motown'
'TRCK' (Track number/Position in set)               '9/15'
'TSO2'                                              'Shiny Toy Guns'
'TSOP' (Performer sort order)                       'Shiny Toy Guns'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Acoustid Id'                                  '71484596-fdaa-4ef4-aea3-c1873b35929a'
'TXXX:MusicBrainz Album Artist Id'                  'ad61e25e-5516-41e1-b60d-744e8220986e'
'TXXX:MusicBrainz Album Id'                         '52ae878c-980a-403e-a03e-840236e5e871'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ad61e25e-5516-41e1-b60d-744e8220986e'
'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:Release type'                                 'Normal Release'
'TXXX:Rip date'                                     '2006-10-10'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['electronic', 'synth-pop', 'electroclash']
'TXXX:lastfmtags'                                   ['indie', 'electronica', 'electronic', 'dance', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.59 dB'
'TXXX:replaygain_track_peak'                        '0.446587'
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========================== row from database ==========================
                                              'id'  1327383
                                            'path'  /data/Music/Bulk/00poprockelectronic/we are pilots/07-shiny_toy_guns-waiting.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  261
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  6852518
                                           'mtime'  1621696894
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic we are pilots 07 shiny_toy_guns waiting ifs songwriter indie unsorted
                                      'tag_artist'  Shiny Toy Guns
                                     'tag_release'  We Are Pilots
                                       'tag_title'  Waiting
                                             'bpm'  122.363
                                    'search_title'  'waiting':1
                                   'search_artist'  'guns':3 'shiny':1 'toy':2
                                  'search_release'  'are':2 'pilots':3 'we':1
                                     'search_rest'  '00poprockelectronic':1 'are':3 'guns':7 'ifs':9 'indie':11 'pilots':4 'shiny':5 'songwriter':10 'toy':6 'unsorted':12 'waiting':8 'we':2
                                    'search_combo'  '00poprockelectronic':8 'are':6C,10 'guns':4B,14 'ifs':16 'indie':18 'pilots':7C,11 'shiny':2B,12 'songwriter':17 'toy':3B,13 'unsorted':19 'waiting':1A,15 'we':5C,9
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'electronica', 'electronic', 'dance', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'synth-pop', 'electroclash']

============================== file details ==============================
                                           'mtime'  1621696893.9626017  (2021-05-22 17:21:33)
                             'size'  6852518