======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '137'
                                          'artist'  'The Underground'
                                     'text_people'  ''
                                         'release'  'Tape No027 - Sweet, Sweet Sadie'
                                           'title'  "We Ain't Got Nothin Yet"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['garage rock', 'garage psychedelia', 'psychedelic rock', '60s', "
 "'psychedelic']")
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No027 - Sweet, Sweet Sadie'
'TBPM' (BPM (beats per minute))                     '145.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         "We Ain't Got Nothin Yet"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Underground'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['garage rock', 'garage psychedelia', 'psychedelic rock', '60s', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.624800'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  1521048
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT027/12 - The Underground - We Ain_t Got Nothin Yet (1967).mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  137
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3858455
                                           'mtime'  1620382934
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT027 12 Ain_t (1967) rock garage;set pl garagetapes
                                      'tag_artist'  The Underground
                                     'tag_release'  Tape No027 - Sweet, Sweet Sadie
                                       'tag_title'  We Ain't Got Nothin Yet
                                             'bpm'  145.3
                                    'search_title'  'ain':2 'aint':4 'got':5 'nothin':6 't':3 'we':1 'yet':7
                                   'search_artist'  'the':1 'underground':2
                                  'search_release'  'no027':2 'sadie':5 'sweet':3,4 'tape':1
                                     'search_rest'  '1967':8,9 'ain':6 'blogspot':2 'com':3 'garage':11,13 'garagetapes':1,16 'garagetapesblogspotcom':4 'gt027':5 'pl':15 'rock':10 'set':12,14 't':7
                                    'search_combo'  '1967':22,23 'ain':2A,20 'aint':4A 'blogspot':16 'com':17 'garage':25,27 'garagetapes':15,30 'garagetapesblogspotcom':18 'got':5A 'gt027':19 'no027':11C 'nothin':6A 'pl':29 'rock':24 'sadie':14C 'set':26,28 'sweet':12C,13C 't':3A,21 'tape':10C 'the':8B 'underground':9B 'we':1A 'yet':7A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'garage psychedelia', 'psychedelic rock', '60s', 'psychedelic']
                                        'tag_date'  1967
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620382933.9327533  (2021-05-07 12:22:13)
                             'size'  3858455