======================== unified (from filesystem) ========================
                                         'bitrate'  '181.705'
                                        'duration'  '859'
                                          'artist'  'Kid 606'
                                     'text_people'  'Kid606'
                                         'release'  'The Action Packed Mentallist Brings You the Fucking Jams'
                                           'title'  'Never Underestimate the Value of a Holler [Vipee-pee Mix]'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['breakcore', 'idm', 'glitch', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-calmer'
                                             'bpm'  '88.904'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Action Packed Mentallist Brings You the Fucking Jams'
'TBPM' (BPM (beats per minute))                     '88.904'
'TCOM' (Composer)                                   'Kid606'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-calmer'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Never Underestimate the Value of a Holler [Vipee-pee Mix]'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kid606'
'TPE2' (Band/orchestra/accompaniment)               'Kid 606'
'TPUB' (Publisher)                                  'Tigerbeat6/Violent Turd'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['breakcore', 'idm', 'glitch', 'electronic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.494468'

========================== row from database ==========================
                                              'id'  1298742
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kid606/kid606/[2002] The Action Packed Mentallist Brings You the Fucking Jams/04 Never Underestimate the Value of a Holler [Vipee-pee Mix].mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  859
                                           'genre'  electronic-experimental-glitch-calmer
                                        'filesize'  19533232
                                           'mtime'  1636136289
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kid606 kid606 [2002] 04 electronic experimental glitch calmer
                                      'tag_artist'  Kid 606
                                     'tag_release'  The Action Packed Mentallist Brings You the Fucking Jams
                                       'tag_title'  Never Underestimate the Value of a Holler [Vipee-pee Mix]
                                             'bpm'  88.904
                                    'search_title'  'a':6 'holler':7 'mix':11,12 'never':1 'of':5 'pee':9 'the':3 'underestimate':2 'value':4 'vipee':8 'vipeepee':10
                                   'search_artist'  '606':2 'kid':1
                                  'search_release'  'action':2 'brings':5 'fucking':7 'jams':8 'mentallist':4 'packed':3 'the':1 'you':6
                                     'search_rest'  '00poprockelectronic':1 '2002':3,4 'calmer':8 'electronic':5 'experimental':6 'glitch':7 'kid606':2
                                    'search_combo'  '00poprockelectronic':23 '2002':25,26 '606':14B 'a':6A 'action':16C 'brings':19C 'calmer':30 'electronic':27 'experimental':28 'fucking':21C 'glitch':29 'holler':7A 'jams':22C 'kid':13B 'kid606':24 'mentallist':18C 'mix':11A,12A 'never':1A 'of':5A 'packed':17C 'pee':9A 'the':3A,15C 'underestimate':2A 'value':4A 'vipee':8A 'vipeepee':10A 'you':20C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['breakcore', 'idm', 'glitch', 'electronic', 'experimental']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636136288.8483517  (2021-11-05 19:18:08)
                             'size'  19533232