======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '335'
                                          'artist'  'Depeche Mode'
                                     'text_people'  ''
                                         'release'  'Ultra'
                                           'title'  'Barrel of a Gun'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '110.543'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ultra'
'TBPM' (BPM (beats per minute))                     '110.543'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Barrel of a Gun'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.409540'

========================== row from database ==========================
                                              'id'  1312554
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/MBZ;#Depeche Mode;#Ultra;#1997-04-14;#01;#Barrel of a Gun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  335
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  8054249
                                           'mtime'  1636922621
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Depeche Mode;#Ultra;#1997 04 14;#01;#Barrel electronic we electropop or synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  Ultra
                                       'tag_title'  Barrel of a Gun
                                             'bpm'  110.543
                                    'search_title'  'a':3 'barrel':1 'gun':4 'of':2
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  'ultra':1
                                     'search_rest'  '00poprockelectronic':1 '01':13,16 '14':12,15 '1997':8,11 'barrel':14,17 'depeche':3,5 'electronic':18 'electropop':20 'mbz':2,4 'mode':6,9 'or':21 'synthpop':22 'ultra':7,10 'we':19
                                    'search_combo'  '00poprockelectronic':8 '01':20,23 '14':19,22 '1997':15,18 'a':3A 'barrel':1A,21,24 'depeche':5B,10,12 'electronic':25 'electropop':27 'gun':4A 'mbz':9,11 'mode':6B,13,16 'of':2A 'or':28 'synthpop':29 'ultra':7C,14,17 'we':26
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922621.2194552  (2021-11-14 21:43:41)
                             'size'  8054249