======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '162'
                                          'artist'  'The Temptations'
                                     'text_people'  'Ben E. King/Jerry Leiber/Mike Stoller'
                                         'release'  "60's, 70's & 80's Music"
                                           'title'  'Stand By Me'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'rnb', 'motown', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '119.900'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "60's, 70's & 80's Music"
'TBPM' (BPM (beats per minute))                     '119.900'
'TCOM' (Composer)                                   'Ben E. King/Jerry Leiber/Mike Stoller'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Stand By Me'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Temptations'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rnb', 'motown', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.43 dB'
'TXXX:replaygain_track_peak'                        '0.511916'

========================== row from database ==========================
                                              'id'  1301134
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/temptations - stand by me115.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  162
                                           'genre'  funk or soul
                                        'filesize'  2607848
                                           'mtime'  1628357965
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] temptations stand by me115 funk or soul
                                      'tag_artist'  The Temptations
                                     'tag_release'  60's, 70's & 80's Music
                                       'tag_title'  Stand By Me
                                             'bpm'  119.9
                                    'search_title'  'by':2 'me':3 'stand':1
                                   'search_artist'  'temptations':2 'the':1
                                  'search_release'  '60':1 '60s':3 '70':4 '70s':6 '80':7 '80s':9 'music':10 's':2,5,8
                                     'search_rest'  '00poprockelectronic':1 'by':9 'files':5,6 'funk':11 'loose':3,4 'me115':10 'or':12 'soul':13 'stand':8 'temptations':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '60':6C '60s':8C '70':9C '70s':11C '80':12C '80s':14C 'by':2A,24 'files':20,21 'funk':26 'loose':18,19 'me':3A 'me115':25 'music':15C 'or':27 's':7C,10C,13C 'soul':28 'stand':1A,23 'temptations':5B,22 'the':4B 'unsorted':17
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'rnb', 'motown', 'soul', 'funk']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357964.9297333  (2021-08-07 19:39:24)
                             'size'  2607848