======================== unified (from filesystem) ========================
                                         'bitrate'  '179.757'
                                        'duration'  '304'
                                          'artist'  'Sia'
                                     'text_people'  ''
                                         'release'  'Some People Have Real Problems'
                                           'title'  'Beautiful Calm Driving'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', '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'  '12'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '139.948'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Some People Have Real Problems'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Beautiful Calm Driving'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sia'
'TRCK' (Track number/Position in set)               '12'
'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: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'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.415120'

========================== row from database ==========================
                                              'id'  1316255
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sia/Sia - Some People Have Real Problems (2008) - FiOS/Sia - Some People Have Real Problems - 12 - Beautiful Calm Driving.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  304
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6837712
                                           'mtime'  1636911399
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2008) FiOS 12 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Sia
                                     'tag_release'  Some People Have Real Problems
                                       'tag_title'  Beautiful Calm Driving
                                             'bpm'  139.948
                                    'search_title'  'beautiful':1 'calm':2 'driving':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':10 '2008':11,12 'acid':19 'beautiful':1A 'calm':2A 'downtempo':18 'driving':3A 'electronic':14 'fi':21 'fios':13 'have':7C 'hop':16 'jazz':20 'or':17 'os':22 'people':6C 'problems':9C 'real':8C 'sia':4B 'some':5C 'trip':15
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', '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'  1636911399.2025166  (2021-11-14 18:36:39)
                             'size'  6837712