======================== unified (from filesystem) ========================
                                         'bitrate'  '223.976'
                                        'duration'  '248'
                                          'artist'  'Stabbing Westward'
                                     'text_people'  ''
                                         'release'  'The Essential Stabbing Westward'
                                           'title'  'What Do I Have to Do?'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'rock', 'industrial', 'alternative', 'industrial rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '86.327'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Essential Stabbing Westward'
'TBPM' (BPM (beats per minute))                     '86.327'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'What Do I Have to Do?'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stabbing Westward'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'rock', 'industrial', 'alternative', 'industrial rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+5.44 dB'
'TXXX:replaygain_track_peak'                        '0.266969'

========================== row from database ==========================
                                              'id'  1327808
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/05 - What Do I Have to Do-.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  248
                                           'genre'  rock-unsorted
                                        'filesize'  6953298
                                           'mtime'  1620392256
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 05 rock unsorted
                                      'tag_artist'  Stabbing Westward
                                     'tag_release'  The Essential Stabbing Westward
                                       'tag_title'  What Do I Have to Do?
                                             'bpm'  86.327
                                    'search_title'  'do':2,6 'have':4 'i':3 'to':5 'what':1
                                   'search_artist'  'stabbing':1 'westward':2
                                  'search_release'  'essential':2 'stabbing':3 'the':1 'westward':4
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 'do':2A,6A 'essential':10C 'files':17,18 'have':4A 'i':3A 'loose':15,16 'rock':19 'stabbing':7B,11C 'the':9C 'to':5A 'unsorted':14 'westward':8B,12C 'what':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'rock', 'industrial', 'alternative', 'industrial rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620392255.6578562  (2021-05-07 14:57:35)
                             'size'  6953298