======================== unified (from filesystem) ========================
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                                        'duration'  '151'
                                          'artist'  'John Greer & his Combo'
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                                         'release'  ('Slow Grind Fever Vol. 4 - More Adventures In The Sleazy World Of Popcorn '
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 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '106.587'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     ('Slow Grind Fever Vol. 4 - More Adventures In The Sleazy World Of Popcorn '
 'Noir (2014)')
'TBPM' (BPM (beats per minute))                     '106.587'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         "Night Crawlin'"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Greer & his Combo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.591600'

========================== row from database ==========================
                                              'id'  1502328
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Slow Grind Fever Vol. 4 - More Adventures In The Sleazy World Of Popcorn Noir (2014)/08.John Greer & his Combo - Night Crawlin_.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  151
                                           'genre'  prerock-jb-blues
                                        'filesize'  6070013
                                           'mtime'  1620402863
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va 08.John Crawlin_ prerock jb blues
                                      'tag_artist'  John Greer & his Combo
                                     'tag_release'  Slow Grind Fever Vol. 4 - More Adventures In The Sleazy World Of Popcorn Noir (2014)
                                       'tag_title'  Night Crawlin'
                                             'bpm'  106.587
                                    'search_title'  'crawlin':2,3 'night':1
                                   'search_artist'  'combo':4 'greer':2 'his':3 'john':1
                                  'search_release'  '2014':16,17 '4':6 'adventures':8 'fever':3 'grind':2 'in':9 'more':7 'noir':15 'of':13 'popcorn':14 'sleazy':11 'slow':1 'the':10 'vol':4,5 'world':12
                                     'search_rest'  '08':6 '08john':8 'blues':12 'country':4 'crawlin':9 'exotica':2 'jazz':1 'jb':11 'john':7 'oldies':3 'prerock':10 'va':5
                                    'search_combo'  '08':30 '08john':32 '2014':23C,24C '4':13C 'adventures':15C 'blues':36 'combo':7B 'country':28 'crawlin':2A,3A,33 'exotica':26 'fever':10C 'greer':5B 'grind':9C 'his':6B 'in':16C 'jazz':25 'jb':35 'john':4B,31 'more':14C 'night':1A 'noir':22C 'of':20C 'oldies':27 'popcorn':21C 'prerock':34 'sleazy':18C 'slow':8C 'the':17C 'va':29 'vol':11C,12C 'world':19C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402863.0924456  (2021-05-07 17:54:23)
                             'size'  6070013