======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'Herb Alpert & the Tijuana Brass'
                                     'text_people'  'Hugh Martin/Ralph Blaine'
                                         'release'  "Herb Alpert's Ninth [Deluxe Edition]"
                                           'title'  'The Trolley Song'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz', 'latin jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy;loc-samerica'
                                             'bpm'  '85.561'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     "Herb Alpert's Ninth [Deluxe Edition]"
'TBPM' (BPM (beats per minute))                     '85.561'
'TCOM' (Composer)                                   'Hugh Martin/Ralph Blaine'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-salon or easy', 'loc-samerica']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'The Trolley Song'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '163773'
'TPE1' (Lead performer(s)/Soloist(s))               'Herb Alpert & Tijuana Brass'
'TPE2' (Band/orchestra/accompaniment)               'Herb Alpert & the Tijuana Brass'
'TPUB' (Publisher)                                  'Shout! Factory'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'latin jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.601252'

========================== row from database ==========================
                                              'id'  917870
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00jazzes/Alpert, Herp/Ninth/03_The Trolley Song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  prerock-jb-jazz-soft-salon or easy;loc-samerica
                                        'filesize'  3928120
                                           'mtime'  1621626229
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00jazzes Alpert, Herp 03_The prerock jb jazz soft salon or easy;loc samerica
                                      'tag_artist'  Herb Alpert & the Tijuana Brass
                                     'tag_release'  Herb Alpert's Ninth [Deluxe Edition]
                                       'tag_title'  The Trolley Song
                                             'bpm'  85.561
                                    'search_title'  'song':3 'the':1 'trolley':2
                                   'search_artist'  'alpert':2 'brass':5 'herb':1 'the':3 'tijuana':4
                                  'search_release'  'alpert':2 'alperts':4 'deluxe':6,7 'edition':8,9 'herb':1 'ninth':5 's':3
                                     'search_rest'  '00jazzes':5 '03':9 'alpert':6,7 'country':4 'easy':16,18 'exotica':2 'herp':8 'jazz':1 'jb':12 'loc':17,19 'oldies':3 'or':15 'prerock':11 'salon':14 'samerica':20 'soft':13 'the':10
                                    'search_combo'  '00jazzes':22 '03':26 'alpert':5B,10C,23,24 'alperts':12C 'brass':8B 'country':21 'deluxe':14C,15C 'easy':33,35 'edition':16C,17C 'exotica':19 'herb':4B,9C 'herp':25 'jazz':18 'jb':29 'loc':34,36 'ninth':13C 'oldies':20 'or':32 'prerock':28 's':11C 'salon':31 'samerica':37 'soft':30 'song':3A 'the':1A,6B,27 'tijuana':7B 'trolley':2A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['q-vocals-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-1']
                                        'tag_date'  1969
                                     'discogstags'  ['jazz', 'latin jazz']

============================== file details ==============================
                                           'mtime'  1621626228.7024176  (2021-05-21 21:43:48)
                             'size'  3928120