======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '226'
                                          'artist'  'Smash Moutn'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  '05-smash mouth-heave-ho-iro'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', "
 "'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['rock', 'alternative rock', 'alternative', 'ska', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '107.893'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '107.893'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TIT2' (Title/songname/content description)         '05-smash mouth-heave-ho-iro'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Smash Moutn'
'TXXX:Mp3gain_minmax'                               '095,204'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rock', 'alternative rock', 'alternative', 'ska', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.403616'

========================== row from database ==========================
                                              'id'  1299366
                                            'path'  /data/Music/Bulk/00poprockelectronic/Smash Mouth/Fush Yu Mang/05-smash_mouth-heave-ho-iro.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  226
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  5442959
                                           'mtime'  1620524873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Mouth Fush Yu Mang smash_mouth loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Smash Moutn
                                     'tag_release'  ?
                                       'tag_title'  05-smash mouth-heave-ho-iro
                                             'bpm'  107.893
                                    'search_title'  '05':1 '05smash':3 'heave':5 'ho':6 'iro':7 'mouth':4 'mouthheavehoiro':8 'smash':2
                                   'search_artist'  'moutn':2 'smash':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dancehall':14 'dub':12 'fush':3 'loc':8 'mang':5 'mouth':2,7 'or':11 'reggae':10 'ska':13 'smash':6 'style':9 'unsorted':15 'yu':4
                                    'search_combo'  '00poprockelectronic':11 '05':1A '05smash':3A 'dancehall':24 'dub':22 'fush':13 'heave':5A 'ho':6A 'iro':7A 'loc':18 'mang':15 'mouth':4A,12,17 'mouthheavehoiro':8A 'moutn':10B 'or':21 'reggae':20 'ska':23 'smash':2A,9B,16 'style':19 'unsorted':25 'yu':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'alternative rock', 'alternative', 'ska', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524872.920972  (2021-05-09 03:47:52)
                             'size'  5442959