======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '192'
                                          'artist'  'Bitter:Sweet'
                                     'text_people'  ''
                                         'release'  'Drama'
                                           'title'  'Love Revolution'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['trip hop', 'electronica', 'lush', 'female vocalists', 'electronic', "
 "'chillout']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '119.617'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Drama'
'TBPM' (BPM (beats per minute))                     '119.617'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Love Revolution'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bitter:Sweet'
'TRCK' (Track number/Position in set)               '10'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['trip hop',
 'electronica',
 'lush',
 'female vocalists',
 'electronic',
 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.602298'

========================== row from database ==========================
                                              'id'  1286517
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/BitterSweet/Drama/10 Love Revolution.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  192
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7705509
                                           'mtime'  1636910311
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip BitterSweet 10 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Bitter:Sweet
                                     'tag_release'  Drama
                                       'tag_title'  Love Revolution
                                             'bpm'  119.617
                                    'search_title'  'love':1 'revolution':2
                                   'search_artist'  'bitter':1 'bittersweet':3 'sweet':2
                                  'search_release'  'drama':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':9 'bitter':11 'bittersweet':3 'downtempo':8 'electronic':4 'hop':6 'jazz':10 'or':7 'sweet':12 'trip':5
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 'acid':15 'bitter':3B,17 'bittersweet':5B,9 'downtempo':14 'drama':6C 'electronic':10 'hop':12 'jazz':16 'love':1A 'or':13 'revolution':2A 'sweet':4B,18 'trip':11
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trip hop', 'electronica', 'lush', 'female vocalists', 'electronic', 'chillout']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910311.1149147  (2021-11-14 18:18:31)
                             'size'  7705509