======================== unified (from filesystem) ========================
                                         'bitrate'  '178.478'
                                        'duration'  '270'
                                          'artist'  'Sia'
                                     'text_people'  ''
                                         'release'  'Some People Have Real Problems'
                                           'title'  'Lentil'
                                           '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-3', 'q-other-2', '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'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '128.008'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Some People Have Real Problems'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Lentil'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sia'
'TRCK' (Track number/Position in set)               '2'
'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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.415084'

========================== row from database ==========================
                                              'id'  1328079
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sia/Sia - Some People Have Real Problems (2008) - FiOS/Sia - Some People Have Real Problems - 02 - Lentil.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  270
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6028112
                                           'mtime'  1636911398
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2008) FiOS 02 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Sia
                                     'tag_release'  Some People Have Real Problems
                                       'tag_title'  Lentil
                                             'bpm'  128.008
                                    'search_title'  'lentil':1
                                   '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':8 '2008':9,10 'acid':17 'downtempo':16 'electronic':12 'fi':19 'fios':11 'have':5C 'hop':14 'jazz':18 'lentil':1A 'or':15 'os':20 'people':4C 'problems':7C 'real':6C 'sia':2B 'some':3C 'trip':13
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-3', 'q-chart-3', 'q-other-2', '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'  1636911397.6060102  (2021-11-14 18:36:37)
                             'size'  6028112