======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'The Brand New Heavies'
                                     'text_people'  ''
                                         'release'  'Ministry Of Sound - Acid Jazz Classics'
                                           'title'  'Stay This Way'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz', 'acid jazz', 'chillout', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '112.947'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ministry Of Sound - Acid Jazz Classics'
'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Stay This Way'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Brand New Heavies'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'acid jazz', 'chillout', 'soul', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.601852'

========================== row from database ==========================
                                              'id'  1325026
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Brand New Heavies/MBZ;#The Brand New Heavies;#Acid Jazz Classics - Side B;#10;#Stay This Way.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  funk or soul
                                        'filesize'  5950985
                                           'mtime'  1628357932
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Heavies;#Acid Side B;#10;#Stay funk or soul
                                      'tag_artist'  The Brand New Heavies
                                     'tag_release'  Ministry Of Sound - Acid Jazz Classics
                                       'tag_title'  Stay This Way
                                             'bpm'  112.947
                                    'search_title'  'stay':1 'this':2 'way':3
                                   'search_artist'  'brand':2 'heavies':4 'new':3 'the':1
                                  'search_release'  'acid':4 'classics':6 'jazz':5 'ministry':1 'of':2 'sound':3
                                     'search_rest'  '00poprockelectronic':1 '10':12,15 'acid':7,9 'b':11,14 'funk':17 'heavies':6,8 'mbz':2,4 'or':18 'side':10 'soul':19 'stay':13,16 'the':3,5
                                    'search_combo'  '00poprockelectronic':14 '10':25,28 'acid':11C,20,22 'b':24,27 'brand':5B 'classics':13C 'funk':30 'heavies':7B,19,21 'jazz':12C 'mbz':15,17 'ministry':8C 'new':6B 'of':9C 'or':31 'side':23 'soul':32 'sound':10C 'stay':1A,26,29 'the':4B,16,18 'this':2A 'way':3A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'acid jazz', 'chillout', 'soul', 'funk']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357931.8730614  (2021-08-07 19:38:51)
                             'size'  5950985