======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '125'
                                          'artist'  'Lullatone'
                                     'text_people'  ''
                                         'release'  'Elevator Music'
                                           'title'  "Matteru (Waiting, We're Waiting)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-SYN-3', 'Q-BUSY-2', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-1', 'q-piano-2', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'japanese', 'ambient']"
                                     'discogstags'  "['downtempo', 'ambient', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '120.2'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Elevator Music'
'TBPM' (BPM (beats per minute))                     '120.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         "Matteru (Waiting, We're Waiting)"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lullatone'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['downtempo', 'ambient', 'electronic']
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'japanese', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-4.46 dB'
'TXXX:replaygain_track_peak'                        '1.008736'

========================== row from database ==========================
                                              'id'  1507639
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Elevator music (2011)/10 - matteru (waiting, we_re waiting).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  125
                                           'genre'  electronic
                                        'filesize'  5136504
                                           'mtime'  1636912126
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country music (2011) 10 matteru (waiting, we_re waiting) electronic
                                      'tag_artist'  Lullatone
                                     'tag_release'  Elevator Music
                                       'tag_title'  Matteru (Waiting, We're Waiting)
                                             'bpm'  120.2
                                    'search_title'  'matteru':1 're':5 'waiting':2,3,7 'we':4 'were':6
                                   'search_artist'  'lullatone':1
                                  'search_release'  'elevator':1 'music':2
                                     'search_rest'  '2011':6,7 'country':4 'electronic':14 'exotica':2 'jazz':1 'matteru':8 'music':5 'oldies':3 're':12 'waiting':9,10,13 'we':11
                                    'search_combo'  '2011':16,17 'country':14 'electronic':24 'elevator':9C 'exotica':12 'jazz':11 'lullatone':8B 'matteru':1A,18 'music':10C,15 'oldies':13 're':5A,22 'waiting':2A,3A,7A,19,20,23 'we':4A,21 'were':6A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-2', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-3', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'japanese', 'ambient']
                                        'tag_date'  2011
                                     'discogstags'  ['downtempo', 'ambient', 'electronic']

============================== file details ==============================
                                           'mtime'  1636912125.9140964  (2021-11-14 18:48:45)
                             'size'  5136504