======================== unified (from filesystem) ========================
                                         'bitrate'  '214.198'
                                        'duration'  '56'
                                          'artist'  'Shackleton'
                                     'text_people'  'Sam Shackleton'
                                         'release'  'Fabric 55'
                                           'title'  "Moon Over Joseph's Burial"
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'dub', 'dubstep', 'skull disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '135.004'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Fabric 55'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCOM' (Composer)                                   'Sam Shackleton'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "Moon Over Joseph's Burial"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shackleton'
'TPE2' (Band/orchestra/accompaniment)               'Shackleton'
'TPUB' (Publisher)                                  'Perlon'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'dub', 'dubstep', 'skull disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.50 dB'
'TXXX:replaygain_track_peak'                        '0.531698'

========================== row from database ==========================
                                              'id'  1519713
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/shackleton - fabric 55/Shackleton - Fabric 55 - 02 - Moon Over Joseph_s Burial.mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  56
                                           'genre'  electronic-th-techno
                                        'filesize'  1519234
                                           'mtime'  1639842872
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats shackleton fabric 02 Joseph_s electronic th techno
                                      'tag_artist'  Shackleton
                                     'tag_release'  Fabric 55
                                       'tag_title'  Moon Over Joseph's Burial
                                             'bpm'  135.004
                                    'search_title'  'burial':6 'joseph':3 'josephs':5 'moon':1 'over':2 's':4
                                   'search_artist'  'shackleton':1
                                  'search_release'  '55':2 'fabric':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':10 'fabric':7 'harder':4 'house':3 'joseph':8 's':9 'shackleton':6 'techno':12 'th':11
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 '55':9C 'beats':14 'burial':6A 'electronic':19 'fabric':8C,16 'harder':13 'house':12 'joseph':3A,17 'josephs':5A 'moon':1A 'over':2A 's':4A,18 'shackleton':7B,15 'techno':21 'th':20
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'dub', 'dubstep', 'skull disco']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1639842871.615518  (2021-12-18 16:54:31)
                             'size'  1519234