======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'Johnny Cash'
                                     'text_people'  'Bud Freeman/Leon Pober'
                                         'release'  'The Collection - Folsom Prison San Quentin & America :200'
                                           'title'  'Joe Bean (Unreleased Bonus Track)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'singer songwritergdchill', 'cover', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '113'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '126.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Collection - Folsom Prison San Quentin & America :200'
'TBPM' (BPM (beats per minute))                     '126.6'
'TCOM' (Composer)                                   'Bud Freeman/Leon Pober'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Joe Bean (Unreleased Bonus Track)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Cash'
'TPE2' (Band/orchestra/accompaniment)               'Johnny Cash'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '113'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.69 dB'
'TXXX:replaygain_track_peak'                        '0.536157'

========================== row from database ==========================
                                              'id'  1389457
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Johnny Cash_/Folsom Prison/113 - johnny cash - joe bean (unreleased bonus track).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  loc-namerica-country
                                        'filesize'  3498252
                                           'mtime'  1621630281
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Cash_ 113 johnny cash joe bean (unreleased bonus track) loc namerica country
                                      'tag_artist'  Johnny Cash
                                     'tag_release'  The Collection - Folsom Prison San Quentin & America :200
                                       'tag_title'  Joe Bean (Unreleased Bonus Track)
                                             'bpm'  126.6
                                    'search_title'  'bean':2 'bonus':5 'joe':1 'track':6,7 'unreleased':3,4
                                   'search_artist'  'cash':2 'johnny':1
                                  'search_release'  '200':8,9 'america':7 'collection':2 'folsom':3 'prison':4 'quentin':6 'san':5 'the':1
                                     'search_rest'  '00singer':1 '113':5 'bean':9 'bonus':12 'cash':4,7 'country':17 'eos':3 'joe':8 'johnny':6 'loc':15 'namerica':16 'songwriter':2 'track':13,14 'unreleased':10,11
                                    'search_combo'  '00singer':19 '113':23 '200':17C,18C 'america':16C 'bean':2A,27 'bonus':5A,30 'cash':9B,22,25 'collection':11C 'country':35 'eos':21 'folsom':12C 'joe':1A,26 'johnny':8B,24 'loc':33 'namerica':34 'prison':13C 'quentin':15C 'san':14C 'songwriter':20 'the':10C 'track':6A,7A,31,32 'unreleased':3A,4A,28,29
                                    'tag_tracknum'  113
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630281.108563  (2021-05-21 22:51:21)
                             'size'  3498252