======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '291'
                                          'artist'  'The Bloodhound Gang'
                                     'text_people'  ''
                                         'release'  'One Fierce Beer Coaster'
                                           'title'  'Fire Water Burn'
                                           'quals'  ("['Q-HAP-2', '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-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'alternative', 'alternative rock', 'punk', 'comedy']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '97.085'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'One Fierce Beer Coaster'
'TBPM' (BPM (beats per minute))                     '97.085'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         'Fire Water Burn'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bloodhound Gang'
'TRCK' (Track number/Position in set)               '3'
'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'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['rock', 'alternative', 'alternative rock', 'punk', 'comedy']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.583691'

========================== row from database ==========================
                                              'id'  1419643
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Bloodhound Gang/The Bloodhound Gang__MBZ;#The Bloodhound Gang;#One Fierce Beer Coaster;#03;#Fire Water Burn.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  291
                                           'genre'  rock-unsorted
                                        'filesize'  4671186
                                           'mtime'  1678927991
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Gang__MBZ;#The Gang;#One Coaster;#03;#Fire rock unsorted
                                      'tag_artist'  The Bloodhound Gang
                                     'tag_release'  One Fierce Beer Coaster
                                       'tag_title'  Fire Water Burn
                                             'bpm'  97.085
                                    'search_title'  'burn':3 'fire':1 'water':2
                                   'search_artist'  'bloodhound':2 'gang':3 'the':1
                                  'search_release'  'beer':3 'coaster':4 'fierce':2 'one':1
                                     'search_rest'  '00poprockelectronic':1 '03':15,18 'coaster':14,17 'fire':16,19 'gang':4,7,10,12 'indierock':3 'mbz':5,8 'one':11,13 'poprock':2 'rock':20 'the':6,9 'unsorted':21
                                    'search_combo'  '00poprockelectronic':11 '03':25,28 'beer':9C 'bloodhound':5B 'burn':3A 'coaster':10C,24,27 'fierce':8C 'fire':1A,26,29 'gang':6B,14,17,20,22 'indierock':13 'mbz':15,18 'one':7C,21,23 'poprock':12 'rock':30 'the':4B,16,19 'unsorted':31 'water':2A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', '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-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['rock', 'alternative', 'alternative rock', 'punk', 'comedy']
                                        'tag_date'  
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1678927990.5847275  (2023-03-16 01:53:10)
                             'size'  4671186