======================== unified (from filesystem) ========================
                                         'bitrate'  '256.037'
                                        'duration'  '323'
                                          'artist'  'The Crystal Method'
                                     'text_people'  ''
                                         'release'  'Community Service'
                                           'title'  'Garbage - Paranoid (The Crysta'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['breakbeat', 'electronica', 'techno', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '129.979'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Community Service'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Garbage - Paranoid (The Crysta'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Crystal Method'
'TRCK' (Track number/Position in set)               '12'
'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'
'TXXX:lastfmtags'                                   ['breakbeat', 'electronica', 'techno', 'electronic', 'big beat']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.343863'

========================== row from database ==========================
                                              'id'  1300770
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Crystal Method/MBZ;#The Crystal Method;#Community Service;#12;#Garbage - Paranoid (The Crystal Method Remix).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  323
                                           'genre'  electronic-th-techno
                                        'filesize'  10362249
                                           'mtime'  1620572220
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Method;#Community Service;#12;#Garbage Remix) electronic techno
                                      'tag_artist'  The Crystal Method
                                     'tag_release'  Community Service
                                       'tag_title'  Garbage - Paranoid (The Crysta
                                             'bpm'  129.979
                                    'search_title'  'crysta':5 'garbage':1 'paranoid':2 'the':3,4
                                   'search_artist'  'crystal':2 'method':3 'the':1
                                  'search_release'  'community':1 'service':2
                                     'search_rest'  '00poprockelectronic':1 '12':11,14 'community':7,9 'electronic':18 'garbage':12,15 'mbz':2,4 'method':6,8 'remix':16,17 'service':10,13 'techno':19 'the':3,5
                                    'search_combo'  '00poprockelectronic':11 '12':21,24 'community':9C,17,19 'crysta':5A 'crystal':7B 'electronic':28 'garbage':1A,22,25 'mbz':12,14 'method':8B,16,18 'paranoid':2A 'remix':26,27 'service':10C,20,23 'techno':29 'the':3A,4A,6B,13,15
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'electronica', 'techno', 'electronic', 'big beat']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572220.0229814  (2021-05-09 16:57:00)
                             'size'  10362249