======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '280'
                                          'artist'  'The Tumbled Sea'
                                     'text_people'  ''
                                         'release'  'Songs By The Tumbled Sea'
                                           'title'  "Emily's Song"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'neoclassical', 'piano', 'lo fi', 'ambient']"
                                     'discogstags'  "['modern classical', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-ambient;prerock-classical or classical instruments'
                                             'bpm'  '144.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Songs By The Tumbled Sea'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-ambient', 'prerock-classical or classical instruments']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "Emily's Song"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tumbled Sea'
'TPE2' (Band/orchestra/accompaniment)               'The Tumbled Sea'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['modern classical', 'electronic', 'ambient']
'TXXX:lastfmtags'                                   ['instrumental', 'neoclassical', 'piano', 'lo fi', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.837492'

========================== row from database ==========================
                                              'id'  1498433
                                            'path'  /data/Music/Bulk/00poprockelectronic/songs by the tumbled sea/03 emily_s song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  280
                                           'genre'  electronic-ambient;prerock-classical or classical instruments
                                        'filesize'  11237076
                                           'mtime'  1636911216
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic songs by the tumbled sea 03 emily_s song electronic ambient;prerock classical or classical instruments
                                      'tag_artist'  The Tumbled Sea
                                     'tag_release'  Songs By The Tumbled Sea
                                       'tag_title'  Emily's Song
                                             'bpm'  144.4
                                    'search_title'  'emily':1 'emilys':3 's':2 'song':4
                                   'search_artist'  'sea':3 'the':1 'tumbled':2
                                  'search_release'  'by':2 'sea':5 'songs':1 'the':3 'tumbled':4
                                     'search_rest'  '00poprockelectronic':1 'ambient':11,13 'by':3 'classical':15 'electronic':10 'emily':7 'instruments':17 'or':16 'prerock':12,14 's':8 'sea':6 'song':9 'songs':2 'the':4 'tumbled':5
                                    'search_combo'  '00poprockelectronic':13 'ambient':23,25 'by':9C,15 'classical':27 'electronic':22 'emily':1A,19 'emilys':3A 'instruments':29 'or':28 'prerock':24,26 's':2A,20 'sea':7B,12C,18 'song':4A,21 'songs':8C,14 'the':5B,10C,16 'tumbled':6B,11C,17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'neoclassical', 'piano', 'lo fi', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  ['modern classical', 'electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636911216.384099  (2021-11-14 18:33:36)
                             'size'  11237076