======================== unified (from filesystem) ========================
                                         'bitrate'  '173.539'
                                        'duration'  '228'
                                          'artist'  'Sia'
                                     'text_people'  ''
                                         'release'  'Some People Have Real Problems'
                                           'title'  'I Go to Sleep'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']"
                                     'discogstags'  "['rock', 'funk / soul', 'pop', 'pop rock', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '120.614'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Some People Have Real Problems'
'TBPM' (BPM (beats per minute))                     '120.614'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'I Go to Sleep'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sia'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'funk / soul', 'pop', 'pop rock', 'funk']
'TXXX:lastfmtags'                                   ['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.392190'

========================== row from database ==========================
                                              'id'  1349159
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sia/Sia - Some People Have Real Problems (2008) - FiOS/Sia - Some People Have Real Problems - 07 - I Go to Sleep.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  228
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4963861
                                           'mtime'  1636911399
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2008) FiOS 07 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Sia
                                     'tag_release'  Some People Have Real Problems
                                       'tag_title'  I Go to Sleep
                                             'bpm'  120.614
                                    'search_title'  'go':2 'i':1 'sleep':4 'to':3
                                   'search_artist'  'sia':1
                                  'search_release'  'have':3 'people':2 'problems':5 'real':4 'some':1
                                     'search_rest'  '00poprockelectronic':1 '2008':2,3 'acid':10 'downtempo':9 'electronic':5 'fi':12 'fios':4 'hop':7 'jazz':11 'or':8 'os':13 'trip':6
                                    'search_combo'  '00poprockelectronic':11 '2008':12,13 'acid':20 'downtempo':19 'electronic':15 'fi':22 'fios':14 'go':2A 'have':8C 'hop':17 'i':1A 'jazz':21 'or':18 'os':23 'people':7C 'problems':10C 'real':9C 'sia':5B 'sleep':4A 'some':6C 'to':3A 'trip':16
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'funk / soul', 'pop', 'pop rock', 'funk']

============================== file details ==============================
                                           'mtime'  1636911398.567883  (2021-11-14 18:36:38)
                             'size'  4963861