======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '200'
                                          'artist'  'Joseph Spence'
                                     'text_people'  'Harold Adamson/Jimmy McHugh'
                                         'release'  'Good Morning Mr. Walker'
                                           'title'  "Comin' in on a Wing and a Prayer"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['11', 'blues', 'gospel', 'folk', 'fingerstyle']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  '21'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '109.6'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Good Morning Mr. Walker'
'TBPM' (BPM (beats per minute))                     '109.6'
'TCOM' (Composer)                                   'Harold Adamson/Jimmy McHugh'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         "Comin' in on a Wing and a Prayer"
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '200437'
'TPE1' (Lead performer(s)/Soloist(s))               'Joseph Spence'
'TPE2' (Band/orchestra/accompaniment)               'Joseph Spence'
'TPUB' (Publisher)                                  'Arhoolie'
'TRCK' (Track number/Position in set)               '05/21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['11', 'blues', 'gospel', 'folk', 'fingerstyle']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.773600'

========================== row from database ==========================
                                              'id'  1380267
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Joseph Spence - Good Morning Mr. Walker/05 comin in on a wing and a prayer.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  200
                                           'genre'  prerock-jb-blues
                                        'filesize'  4111173
                                           'mtime'  1620402342
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 05 comin wing prayer prerock jb blues
                                      'tag_artist'  Joseph Spence
                                     'tag_release'  Good Morning Mr. Walker
                                       'tag_title'  Comin' in on a Wing and a Prayer
                                             'bpm'  109.6
                                    'search_title'  'a':5 'and':7 'comin':1,2 'in':3 'on':4 'prayer':8 'wing':6
                                   'search_artist'  'joseph':1 'spence':2
                                  'search_release'  'good':1 'morning':2 'mr':3,4 'walker':5
                                     'search_rest'  'blues':10 'comin':5 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prayer':7 'prerock':8 'wing':6
                                    'search_combo'  'a':5A 'and':7A 'blues':25 'comin':1A,2A,20 'country':19 'exotica':17 'good':11C 'in':3A 'jazz':16 'jb':24 'joseph':9B 'morning':12C 'mr':13C,14C 'oldies':18 'on':4A 'prayer':8A,22 'prerock':23 'spence':10B 'walker':15C 'wing':6A,21
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['11', 'blues', 'gospel', 'folk', 'fingerstyle']
                                        'tag_date'  1971
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1620402341.5930183  (2021-05-07 17:45:41)
                             'size'  4111173