======================== unified (from filesystem) ========================
                                         'bitrate'  '260.683'
                                        'duration'  '206'
                                          'artist'  'The Claypool Lennon Delirium'
                                     'text_people'  ''
                                         'release'  'Monolith of Phobos'
                                           'title'  'Breath of a Salesman'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['progressive rock', 'experimental', 'psychedelic rock', 'psychedelic', 'usa']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-psych'
                                             'bpm'  '133.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Monolith of Phobos'
'TBPM' (BPM (beats per minute))                     '133.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-psych'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Breath of a Salesman'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Claypool Lennon Delirium'
'TPE2' (Band/orchestra/accompaniment)               'The Claypool Lennon Delirium'
'TPUB' (Publisher)                                  'ATO Records'
'TRCK' (Track number/Position in set)               '6/11'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock', 'experimental', 'psychedelic rock', 'psychedelic', 'usa']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.385124'

========================== row from database ==========================
                                              'id'  729473
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Claypool Lennon Delirium - Monolith Of Phobos [2016]/06 - Breath Of A Salesman.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  206
                                           'genre'  electronic-experimental-psych
                                        'filesize'  6809011
                                           'mtime'  1621706567
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Of [2016] 06 Of A electronic experimental psych
                                      'tag_artist'  The Claypool Lennon Delirium
                                     'tag_release'  Monolith of Phobos
                                       'tag_title'  Breath of a Salesman
                                             'bpm'  133.3
                                    'search_title'  'a':3 'breath':1 'of':2 'salesman':4
                                   'search_artist'  'claypool':2 'delirium':4 'lennon':3 'the':1
                                  'search_release'  'monolith':1 'of':2 'phobos':3
                                     'search_rest'  '2016':2,3 'a':4 'electronic':5 'experimental':6 'of':1 'psych':7
                                    'search_combo'  '2016':13,14 'a':3A,15 'breath':1A 'claypool':6B 'delirium':8B 'electronic':16 'experimental':17 'lennon':7B 'monolith':9C 'of':2A,10C,12 'phobos':11C 'psych':18 'salesman':4A 'the':5B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'experimental', 'psychedelic rock', 'psychedelic', 'usa']
                                        'tag_date'  2016
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621706567.0576417  (2021-05-22 20:02:47)
                             'size'  6809011