======================== unified (from filesystem) ========================
                                         'bitrate'  '192.074'
                                        'duration'  '220'
                                          'artist'  'Silver Jews'
                                     'text_people'  'David Berman'
                                         'release'  'Natural Bridge'
                                           'title'  'Albermarle Station'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'alt country', 'folk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '105.040'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Natural Bridge'
'TBPM' (BPM (beats per minute))                     '105.040'
'TCOM' (Composer)                                   'David Berman'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Albermarle Station'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '221022'
'TPE1' (Lead performer(s)/Soloist(s))               'Silver Jews'
'TPE2' (Band/orchestra/accompaniment)               'Silver Jews'
'TPUB' (Publisher)                                  'Domino'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'alt country', 'folk', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.502556'

========================== row from database ==========================
                                              'id'  1265545
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Silver Jews/Bright Flight/08 albermarle station.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5308433
                                           'mtime'  1623444740
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Bright Flight 08 albermarle station ifs songwriter indie unsorted
                                      'tag_artist'  Silver Jews
                                     'tag_release'  Natural Bridge
                                       'tag_title'  Albermarle Station
                                             'bpm'  105.04
                                    'search_title'  'albermarle':1 'station':2
                                   'search_artist'  'jews':2 'silver':1
                                  'search_release'  'bridge':2 'natural':1
                                     'search_rest'  '00singer':1 'albermarle':6 'bright':4 'eos':3 'flight':5 'ifs':8 'indie':9 'songwriter':2 'station':7 'unsorted':10
                                    'search_combo'  '00singer':7 'albermarle':1A,12 'bridge':6C 'bright':10 'eos':9 'flight':11 'ifs':14 'indie':15 'jews':4B 'natural':5C 'silver':3B 'songwriter':8 'station':2A,13 'unsorted':16
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'alt country', 'folk', 'indie rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1623444740.3342593  (2021-06-11 22:52:20)
                             'size'  5308433