======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '311'
                                          'artist'  'Nine Inch Nails'
                                     'text_people'  ''
                                         'release'  'Things Falling Apart'
                                           'title'  'Starfuckers Inc. (Version By A'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial metal', 'rock', 'industrial', 'nin', 'industrial rock']"
                                     'discogstags'  "['electronic', 'rock', 'idm', 'industrial']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '144.748'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Things Falling Apart'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Starfuckers Inc. (Version By A'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nine Inch Nails'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'rock', 'idm', 'industrial']
'TXXX:lastfmtags'                                   ['industrial metal', 'rock', 'industrial', 'nin', 'industrial rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.386920'

========================== row from database ==========================
                                              'id'  1396371
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Nine Inch Nails/Things Falling Apart/MBZ;#Nine Inch Nails;#Things Falling Apart;#04;#Starfuckers Inc (version by Adrian Sherwood for 140dB).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  311
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  7468399
                                           'mtime'  1620296040
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth MBZ;#Nine Nails;#Things Apart;#04;#Starfuckers (version by Adrian Sherwood for 140dB) eid ebm or industrial or darkwave
                                      'tag_artist'  Nine Inch Nails
                                     'tag_release'  Things Falling Apart
                                       'tag_title'  Starfuckers Inc. (Version By A
                                             'bpm'  144.748
                                    'search_title'  'a':7 'by':6 'inc':2,3 'starfuckers':1 'version':4,5
                                   'search_artist'  'inch':2 'nails':3 'nine':1
                                  'search_release'  'apart':3 'falling':2 'things':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 '04':15,18 '140d':31 '140db':26,27 'adrian':23 'apart':14,17 'b':32,33 'by':22 'darkwave':4 'ebm':29 'eid':28 'for':25 'goth':5 'industrial':3 'mbz':6,8 'nails':10,12 'nine':7,9 'or':30 'sherwood':24 'starfuckers':16,19 'things':11,13 'version':20,21
                                    'search_combo'  '00dwimp':14 '00ebm':15 '04':28,31 '140d':44 '140db':39,40 'a':7A 'adrian':36 'apart':13C,27,30 'b':45,46 'by':6A,35 'darkwave':17 'ebm':42 'eid':41 'falling':12C 'for':38 'goth':18 'inc':2A,3A 'inch':9B 'industrial':16 'mbz':19,21 'nails':10B,23,25 'nine':8B,20,22 'or':43 'sherwood':37 'starfuckers':1A,29,32 'things':11C,24,26 'version':4A,5A,33,34
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'rock', 'industrial', 'nin', 'industrial rock']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'rock', 'idm', 'industrial']

============================== file details ==============================
                                           'mtime'  1620296039.672193  (2021-05-06 12:13:59)
                             'size'  7468399